31424537052 has 36 divisors (see below), whose sum is σ = 79850150016. Its totient is φ = 10420001280.

The previous prime is 31424537051. The next prime is 31424537063. The reversal of 31424537052 is 25073542413.

31424537052 is a `hidden beast` number, since 31 + 42 + 4 + 537 + 0 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 31424536998 and 31424537016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424537051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2278213 + ... + 2291964.

Almost surely, 2^31424537052 is an apocalyptic number.

It is an amenable number.

31424537052 is an abundant number, since it is smaller than the sum of its proper divisors (48425612964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31424537052 is a wasteful number, since it uses less digits than its factorization.

31424537052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570378 (or 4570373 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 31424537052 in words is "thirty-one billion, four hundred twenty-four million, five hundred thirty-seven thousand, fifty-two".