31445364135 has 64 divisors (see below), whose sum is σ = 57046302720. Its totient is φ = 14707059840.

The previous prime is 31445364133. The next prime is 31445364157. The reversal of 31445364135 is 53146354413.

It is not a de Polignac number, because 31445364135 - 2¹ = 31445364133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31445364093 and 31445364102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31445364133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125832 + ... + 280578.

It is an arithmetic number, because the mean of its divisors is an integer number (891348480).

Almost surely, 2^31445364135 is an apocalyptic number.

31445364135 is a deficient number, since it is larger than the sum of its proper divisors (25600938585).

31445364135 is a wasteful number, since it uses less digits than its factorization.

31445364135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154828.

The product of its digits is 259200, while the sum is 39.

The spelling of 31445364135 in words is "thirty-one billion, four hundred forty-five million, three hundred sixty-four thousand, one hundred thirty-five".