31104000331 has 4 divisors (see below), whose sum is σ = 32741053000. Its totient is φ = 29466947664.

The previous prime is 31104000311. The next prime is 31104000359. The reversal of 31104000331 is 13300040113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13300040113 = 499 ⋅26653387.

It is a cyclic number.

It is not a de Polignac number, because 31104000331 - 2¹⁵ = 31103967563 is a prime.

It is a super-2 number, since 2×31104000331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31104000311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 818526306 + ... + 818526343.

It is an arithmetic number, because the mean of its divisors is an integer number (8185263250).

Almost surely, 2^31104000331 is an apocalyptic number.

31104000331 is a deficient number, since it is larger than the sum of its proper divisors (1637052669).

31104000331 is a wasteful number, since it uses less digits than its factorization.

31104000331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637052668.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31104000331 its reverse (13300040113), we get a palindrome (44404040444).

The spelling of 31104000331 in words is "thirty-one billion, one hundred four million, three hundred thirty-one", and thus it is an aban number.