31435020425452 has 48 divisors (see below), whose sum is σ = 66916803760128. Its totient is φ = 12613286350080.

The previous prime is 31435020425429. The next prime is 31435020425453. The reversal of 31435020425452 is 25452402053413.

It is not an unprimeable number, because it can be changed into a prime (31435020425453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172788558 + ... + 172970389.

It is an arithmetic number, because the mean of its divisors is an integer number (1394100078336).

Almost surely, 2^{31435020425452} is an apocalyptic number.

It is an amenable number.

31435020425452 is an abundant number, since it is smaller than the sum of its proper divisors (35481783334676).

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

31435020425452 is a wasteful number, since it uses less digits than its factorization.

31435020425452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345759166 (or 345759164 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 31435020425452 its reverse (25452402053413), we get a palindrome (56887422478865).

The spelling of 31435020425452 in words is "thirty-one trillion, four hundred thirty-five billion, twenty million, four hundred twenty-five thousand, four hundred fifty-two".