31030120102132 has 6 divisors (see below), whose sum is σ = 54302710178738. Its totient is φ = 15515060051064.

The previous prime is 31030120102129. The next prime is 31030120102147. The reversal of 31030120102132 is 23120102103013.

It can be written as a sum of positive squares in only one way, i.e., 25559030692836 + 5471089409296 = 5055594^2 + 2339036^2 .

It is a super-2 number, since 2×31030120102132² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3878765012763 + ... + 3878765012770.

Almost surely, 2^{31030120102132} is an apocalyptic number.

It is an amenable number.

31030120102132 is a deficient number, since it is larger than the sum of its proper divisors (23272590076606).

31030120102132 is a wasteful number, since it uses less digits than its factorization.

31030120102132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757530025537 (or 7757530025535 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31030120102132 its reverse (23120102103013), we get a palindrome (54150222205145).

The spelling of 31030120102132 in words is "thirty-one trillion, thirty billion, one hundred twenty million, one hundred two thousand, one hundred thirty-two".