31023312213132 has 36 divisors (see below), whose sum is σ = 78443709908200. Its totient is φ = 10337982659712.

The previous prime is 31023312213119. The next prime is 31023312213197. The reversal of 31023312213132 is 23131221332013.

31023312213132 is a `hidden beast` number, since 3 + 1 + 0 + 2 + 3 + 312 + 213 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×31023312213132² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31023312213096 and 31023312213105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129937882 + ... + 130176417.

Almost surely, 2^{31023312213132} is an apocalyptic number.

It is an amenable number.

31023312213132 is an abundant number, since it is smaller than the sum of its proper divisors (47420397695068).

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

31023312213132 is a wasteful number, since it uses less digits than its factorization.

31023312213132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260117622 (or 260117617 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 31023312213132 its reverse (23131221332013), we get a palindrome (54154533545145).

The spelling of 31023312213132 in words is "thirty-one trillion, twenty-three billion, three hundred twelve million, two hundred thirteen thousand, one hundred thirty-two".