31042421022433 has 8 divisors (see below), whose sum is σ = 31048195546368. Its totient is φ = 31036646978064.

The previous prime is 31042421022377. The next prime is 31042421022469. The reversal of 31042421022433 is 33422012424013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31042421022433 - 2⁹ = 31042421021921 is a prime.

It is a super-3 number, since 3×31042421022433³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31042421022395 and 31042421022404.

It is not an unprimeable number, because it can be changed into a prime (31042421022233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145354416 + ... + 145567822.

It is an arithmetic number, because the mean of its divisors is an integer number (3881024443296).

Almost surely, 2^{31042421022433} is an apocalyptic number.

It is an amenable number.

31042421022433 is a deficient number, since it is larger than the sum of its proper divisors (5774523935).

31042421022433 is a wasteful number, since it uses less digits than its factorization.

31042421022433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239783.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 31042421022433 its reverse (33422012424013), we get a palindrome (64464433446446).

The spelling of 31042421022433 in words is "thirty-one trillion, forty-two billion, four hundred twenty-one million, twenty-two thousand, four hundred thirty-three".