1031404323212 has 24 divisors (see below), whose sum is σ = 1806358816752. Its totient is φ = 515301912000.

The previous prime is 1031404323211. The next prime is 1031404323217. The reversal of 1031404323212 is 2123234041301.

It is not an unprimeable number, because it can be changed into a prime (1031404323211) 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, 74189462 + ... + 74203362.

It is an arithmetic number, because the mean of its divisors is an integer number (75264950698).

Almost surely, 2^{1031404323212} is an apocalyptic number.

It is an amenable number.

1031404323212 is a deficient number, since it is larger than the sum of its proper divisors (774954493540).

1031404323212 is a wasteful number, since it uses less digits than its factorization.

1031404323212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26969 (or 26967 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 1031404323212 its reverse (2123234041301), we get a palindrome (3154638364513).

The spelling of 1031404323212 in words is "one trillion, thirty-one billion, four hundred four million, three hundred twenty-three thousand, two hundred twelve".