31202021110132 has 12 divisors (see below), whose sum is σ = 56977603766496. Its totient is φ = 14922705748280.

The previous prime is 31202021110123. The next prime is 31202021110133. The reversal of 31202021110132 is 23101112020213.

It is a super-2 number, since 2×31202021110132² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31202021110133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169576201594 + ... + 169576201777.

It is an arithmetic number, because the mean of its divisors is an integer number (4748133647208).

Almost surely, 2^{31202021110132} is an apocalyptic number.

It is an amenable number.

31202021110132 is a deficient number, since it is larger than the sum of its proper divisors (25775582656364).

31202021110132 is a wasteful number, since it uses less digits than its factorization.

31202021110132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339152403398 (or 339152403396 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31202021110132 its reverse (23101112020213), we get a palindrome (54303133130345).

The spelling of 31202021110132 in words is "thirty-one trillion, two hundred two billion, twenty-one million, one hundred ten thousand, one hundred thirty-two".