31029485952 has 64 divisors (see below), whose sum is σ = 83652321600. Its totient is φ = 10188777984.

The previous prime is 31029485939. The next prime is 31029485983. The reversal of 31029485952 is 25958492013.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577302 + ... + 628757.

It is an arithmetic number, because the mean of its divisors is an integer number (1307067525).

Almost surely, 2^31029485952 is an apocalyptic number.

31029485952 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31029485952 is an abundant number, since it is smaller than the sum of its proper divisors (52622835648).

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

31029485952 is a wasteful number, since it uses less digits than its factorization.

31029485952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206143 (or 1206131 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 31029485952 in words is "thirty-one billion, twenty-nine million, four hundred eighty-five thousand, nine hundred fifty-two".