31145004254452 has 24 divisors (see below), whose sum is σ = 59458943763072. Its totient is φ = 14156748859200.

The previous prime is 31145004254437. The next prime is 31145004254453. The reversal of 31145004254452 is 25445240054113.

It is a super-2 number, since 2×31145004254452² (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 (31145004254453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7616677 + ... + 10968307.

It is an arithmetic number, because the mean of its divisors is an integer number (2477455990128).

Almost surely, 2^{31145004254452} is an apocalyptic number.

It is an amenable number.

31145004254452 is a deficient number, since it is larger than the sum of its proper divisors (28313939508620).

31145004254452 is a wasteful number, since it uses less digits than its factorization.

31145004254452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562839 (or 3562837 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 31145004254452 in words is "thirty-one trillion, one hundred forty-five billion, four million, two hundred fifty-four thousand, four hundred fifty-two".