31545452050 has 48 divisors (see below), whose sum is σ = 70585928640. Its totient is φ = 10246340160.

The previous prime is 31545452041. The next prime is 31545452051. The reversal of 31545452050 is 5025454513.

It is a junction number, because it is equal to n+sod(n) for n = 31545451997 and 31545452015.

It is not an unprimeable number, because it can be changed into a prime (31545452051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2365189 + ... + 2378488.

It is an arithmetic number, because the mean of its divisors is an integer number (1470540180).

Almost surely, 2^31545452050 is an apocalyptic number.

31545452050 is an abundant number, since it is smaller than the sum of its proper divisors (39040476590).

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

31545452050 is a wasteful number, since it uses less digits than its factorization.

31545452050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743715 (or 4743710 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 31545452050 in words is "thirty-one billion, five hundred forty-five million, four hundred fifty-two thousand, fifty".