2031213134120 has 32 divisors (see below), whose sum is σ = 4572669778920. Its totient is φ = 812051435520.

The previous prime is 2031213133907. The next prime is 2031213134123. The reversal of 2031213134120 is 214313121302.

It can be written as a sum of positive squares in 4 ways, for example, as 973265117764 + 1057948016356 = 986542^2 + 1028566^2 .

It is not an unprimeable number, because it can be changed into a prime (2031213134123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13480961 + ... + 13630800.

Almost surely, 2^{2031213134120} is an apocalyptic number.

2031213134120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031213134120 is an abundant number, since it is smaller than the sum of its proper divisors (2541456644800).

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

2031213134120 is a wasteful number, since it uses less digits than its factorization.

2031213134120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27113645 (or 27113641 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2031213134120 its reverse (214313121302), we get a palindrome (2245526255422).

The spelling of 2031213134120 in words is "two trillion, thirty-one billion, two hundred thirteen million, one hundred thirty-four thousand, one hundred twenty".