31203132000120 has 64 divisors (see below), whose sum is σ = 104010440004000. Its totient is φ = 8320835199744.

The previous prime is 31203132000119. The next prime is 31203132000121. The reversal of 31203132000120 is 2100023130213.

31203132000120 is a `hidden beast` number, since 31 + 2 + 0 + 313 + 200 + 0 + 120 = 666.

It is an interprime number because it is at equal distance from previous prime (31203132000119) and next prime (31203132000121).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 31203132000093 and 31203132000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203132000121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14445893365 + ... + 14445895524.

Almost surely, 2^{31203132000120} is an apocalyptic number.

31203132000120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31203132000120 is an abundant number, since it is smaller than the sum of its proper divisors (72807308003880).

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

31203132000120 is a wasteful number, since it uses less digits than its factorization.

31203132000120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28891788909 (or 28891788899 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31203132000120 its reverse (2100023130213), we get a palindrome (33303155130333).

The spelling of 31203132000120 in words is "thirty-one trillion, two hundred three billion, one hundred thirty-two million, one hundred twenty", and thus it is an aban number.