31030421025032 has 192 divisors, whose sum is σ = 69473097308160. Its totient is φ = 12879134611200.

The previous prime is 31030421025029. The next prime is 31030421025113. The reversal of 31030421025032 is 23052012403013.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 31030421024992 and 31030421025010.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1450619057 + ... + 1450640447.

It is an arithmetic number, because the mean of its divisors is an integer number (361839048480).

Almost surely, 2^{31030421025032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31030421025032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34736548654080).

31030421025032 is an abundant number, since it is smaller than the sum of its proper divisors (38442676283128).

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

31030421025032 is a wasteful number, since it uses less digits than its factorization.

31030421025032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22484 (or 22467 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 31030421025032 its reverse (23052012403013), we get a palindrome (54082433428045).

The spelling of 31030421025032 in words is "thirty-one trillion, thirty billion, four hundred twenty-one million, twenty-five thousand, thirty-two".