31434244445020 has 96 divisors (see below), whose sum is σ = 66858818959296. Its totient is φ = 12413130240000.

The previous prime is 31434244445017. The next prime is 31434244445039. The reversal of 31434244445020 is 2054444243413.

It is a super-2 number, since 2×31434244445020² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2484325014 + ... + 2484337666.

It is an arithmetic number, because the mean of its divisors is an integer number (696446030826).

Almost surely, 2^{31434244445020} is an apocalyptic number.

It is an amenable number.

31434244445020 is an abundant number, since it is smaller than the sum of its proper divisors (35424574514276).

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

31434244445020 is a wasteful number, since it uses less digits than its factorization.

31434244445020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16231 (or 16229 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 40.

Adding to 31434244445020 its reverse (2054444243413), we get a palindrome (33488688688433).

The spelling of 31434244445020 in words is "thirty-one trillion, four hundred thirty-four billion, two hundred forty-four million, four hundred forty-five thousand, twenty".