31233430140412 has 24 divisors (see below), whose sum is σ = 57178596459600. Its totient is φ = 14908789585536.

The previous prime is 31233430140373. The next prime is 31233430140529. The reversal of 31233430140412 is 21404103433213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1512650958 + ... + 1512671605.

It is an arithmetic number, because the mean of its divisors is an integer number (2382441519150).

Almost surely, 2^{31233430140412} is an apocalyptic number.

It is an amenable number.

31233430140412 is a deficient number, since it is larger than the sum of its proper divisors (25945166319188).

31233430140412 is a wasteful number, since it uses less digits than its factorization.

31233430140412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025322685 (or 3025322683 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 31233430140412 its reverse (21404103433213), we get a palindrome (52637533573625).

The spelling of 31233430140412 in words is "thirty-one trillion, two hundred thirty-three billion, four hundred thirty million, one hundred forty thousand, four hundred twelve".