31152566055 has 16 divisors (see below), whose sum is σ = 53678268000. Its totient is φ = 15336647808.

The previous prime is 31152566047. The next prime is 31152566063. The reversal of 31152566055 is 55066525113.

It is an interprime number because it is at equal distance from previous prime (31152566047) and next prime (31152566063).

It is not a de Polignac number, because 31152566055 - 2³ = 31152566047 is a prime.

It is a super-2 number, since 2×31152566055² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 79878180 + ... + 79878569.

It is an arithmetic number, because the mean of its divisors is an integer number (3354891750).

Almost surely, 2^31152566055 is an apocalyptic number.

31152566055 is a deficient number, since it is larger than the sum of its proper divisors (22525701945).

31152566055 is a wasteful number, since it uses less digits than its factorization.

31152566055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159756770.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 31152566055 in words is "thirty-one billion, one hundred fifty-two million, five hundred sixty-six thousand, fifty-five".