31234453155152 has 40 divisors (see below), whose sum is σ = 65177212870560. Its totient is φ = 14414723568000.

The previous prime is 31234453155091. The next prime is 31234453155167. The reversal of 31234453155152 is 25155135443213.

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, 3580502 + ... + 8676917.

It is an arithmetic number, because the mean of its divisors is an integer number (1629430321764).

Almost surely, 2^{31234453155152} is an apocalyptic number.

It is an amenable number.

31234453155152 is an abundant number, since it is smaller than the sum of its proper divisors (33942759715408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31234453155152 is a wasteful number, since it uses less digits than its factorization.

31234453155152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269691 (or 12269685 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 44.

Adding to 31234453155152 its reverse (25155135443213), we get a palindrome (56389588598365).

The spelling of 31234453155152 in words is "thirty-one trillion, two hundred thirty-four billion, four hundred fifty-three million, one hundred fifty-five thousand, one hundred fifty-two".