31434131154504 has 32 divisors (see below), whose sum is σ = 84630353109120. Its totient is φ = 9672040355136.

The previous prime is 31434131154497. The next prime is 31434131154529. The reversal of 31434131154504 is 40545113143413.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 50375209872 + ... + 50375210495.

It is an arithmetic number, because the mean of its divisors is an integer number (2644698534660).

Almost surely, 2^{31434131154504} is an apocalyptic number.

It is an amenable number.

31434131154504 is an abundant number, since it is smaller than the sum of its proper divisors (53196221954616).

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

31434131154504 is a wasteful number, since it uses less digits than its factorization.

31434131154504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100750420389 (or 100750420385 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 31434131154504 its reverse (40545113143413), we get a palindrome (71979244297917).

The spelling of 31434131154504 in words is "thirty-one trillion, four hundred thirty-four billion, one hundred thirty-one million, one hundred fifty-four thousand, five hundred four".