31011032103320 has 16 divisors (see below), whose sum is σ = 69774822232560. Its totient is φ = 12404412841312.

The previous prime is 31011032103319. The next prime is 31011032103367. The reversal of 31011032103320 is 2330123011013.

It is a super-2 number, since 2×31011032103320² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 31011032103292 and 31011032103301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387637901252 + ... + 387637901331.

It is an arithmetic number, because the mean of its divisors is an integer number (4360926389535).

Almost surely, 2^{31011032103320} is an apocalyptic number.

It is an amenable number.

31011032103320 is an abundant number, since it is smaller than the sum of its proper divisors (38763790129240).

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

31011032103320 is a wasteful number, since it uses less digits than its factorization.

31011032103320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775275802594 (or 775275802590 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31011032103320 its reverse (2330123011013), we get a palindrome (33341155114333).

The spelling of 31011032103320 in words is "thirty-one trillion, eleven billion, thirty-two million, one hundred three thousand, three hundred twenty".