31121023000132 has 48 divisors (see below), whose sum is σ = 58904728409520. Its totient is φ = 14301571350528.

The previous prime is 31121023000091. The next prime is 31121023000153. The reversal of 31121023000132 is 23100032012113.

It can be written as a sum of positive squares in 8 ways, for example, as 225723810816 + 30895299189316 = 475104^2 + 5558354^2 .

It is an unprimeable number.

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, 11093994 + ... + 13613182.

It is an arithmetic number, because the mean of its divisors is an integer number (1227181841865).

Almost surely, 2^{31121023000132} is an apocalyptic number.

It is an amenable number.

31121023000132 is a deficient number, since it is larger than the sum of its proper divisors (27783705409388).

31121023000132 is a wasteful number, since it uses less digits than its factorization.

31121023000132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520232 (or 2520230 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31121023000132 its reverse (23100032012113), we get a palindrome (54221055012245).

The spelling of 31121023000132 in words is "thirty-one trillion, one hundred twenty-one billion, twenty-three million, one hundred thirty-two", and thus it is an aban number.