31213031202060 has 96 divisors (see below), whose sum is σ = 91917912748032. Its totient is φ = 7902995093760.

The previous prime is 31213031202053. The next prime is 31213031202061. The reversal of 31213031202060 is 6020213031213.

It is a super-2 number, since 2×31213031202060² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31213031202060.

It is not an unprimeable number, because it can be changed into a prime (31213031202061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158214624 + ... + 158411783.

It is an arithmetic number, because the mean of its divisors is an integer number (957478257792).

Almost surely, 2^{31213031202060} is an apocalyptic number.

31213031202060 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31213031202060 is an abundant number, since it is smaller than the sum of its proper divisors (60704881545972).

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

31213031202060 is a wasteful number, since it uses less digits than its factorization.

31213031202060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316626503 (or 316626501 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31213031202060 its reverse (6020213031213), we get a palindrome (37233244233273).

The spelling of 31213031202060 in words is "thirty-one trillion, two hundred thirteen billion, thirty-one million, two hundred two thousand, sixty".