31203213302132 has 24 divisors (see below), whose sum is σ = 54624413985120. Its totient is φ = 15596238284640.

The previous prime is 31203213301973. The next prime is 31203213302143. The reversal of 31203213302132 is 23120331230213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546830219 + ... + 546887277.

It is an arithmetic number, because the mean of its divisors is an integer number (2276017249380).

Almost surely, 2^{31203213302132} is an apocalyptic number.

It is an amenable number.

31203213302132 is a deficient number, since it is larger than the sum of its proper divisors (23421200682988).

31203213302132 is a wasteful number, since it uses less digits than its factorization.

31203213302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101711 (or 101709 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31203213302132 its reverse (23120331230213), we get a palindrome (54323544532345).

The spelling of 31203213302132 in words is "thirty-one trillion, two hundred three billion, two hundred thirteen million, three hundred two thousand, one hundred thirty-two".