31001230302032 has 20 divisors (see below), whose sum is σ = 60071355809556. Its totient is φ = 15498944931840.

The previous prime is 31001230302011. The next prime is 31001230302037. The reversal of 31001230302032 is 23020303210013.

It can be written as a sum of positive squares in 2 ways, for example, as 24236362225936 + 6764868076096 = 4923044^2 + 2600936^2 .

It is a super-2 number, since 2×31001230302032² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31001230301995 and 31001230302013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31001230302037) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 104235563 + ... + 104532554.

Almost surely, 2^{31001230302032} is an apocalyptic number.

It is an amenable number.

31001230302032 is a deficient number, since it is larger than the sum of its proper divisors (29070125507524).

31001230302032 is a wasteful number, since it uses less digits than its factorization.

31001230302032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208777406 (or 208777400 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31001230302032 its reverse (23020303210013), we get a palindrome (54021533512045).

The spelling of 31001230302032 in words is "thirty-one trillion, one billion, two hundred thirty million, three hundred two thousand, thirty-two".