31160208139454 has 32 divisors (see below), whose sum is σ = 47181868056576. Its totient is φ = 15433317637920.

The previous prime is 31160208139453. The next prime is 31160208139477. The reversal of 31160208139454 is 45493180206113.

It is a happy number.

It is a super-2 number, since 2×31160208139454² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31160208139399 and 31160208139408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31160208139453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518986724 + ... + 519046760.

It is an arithmetic number, because the mean of its divisors is an integer number (1474433376768).

Almost surely, 2^{31160208139454} is an apocalyptic number.

31160208139454 is a deficient number, since it is larger than the sum of its proper divisors (16021659917122).

31160208139454 is a wasteful number, since it uses less digits than its factorization.

31160208139454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63320.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 31160208139454 in words is "thirty-one trillion, one hundred sixty billion, two hundred eight million, one hundred thirty-nine thousand, four hundred fifty-four".