31332123300000 has 144 divisors (see below), whose sum is σ = 102801950816544. Its totient is φ = 8355232800000.

The previous prime is 31332123299987. The next prime is 31332123300013. The reversal of 31332123300000 is 332123313.

It is an interprime number because it is at equal distance from previous prime (31332123299987) and next prime (31332123300013).

It is a self number, because there is not a number n which added to its sum of digits gives 31332123300000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51920206 + ... + 52520205.

It is an arithmetic number, because the mean of its divisors is an integer number (713902436226).

Almost surely, 2^{31332123300000} is an apocalyptic number.

31332123300000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31332123300000 is an abundant number, since it is smaller than the sum of its proper divisors (71469827516544).

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

31332123300000 is an equidigital number, since it uses as much as digits as its factorization.

31332123300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104440449 (or 104440421 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31332123300000 its reverse (332123313), we get a palindrome (31332455423313).

The spelling of 31332123300000 in words is "thirty-one trillion, three hundred thirty-two billion, one hundred twenty-three million, three hundred thousand".