32312039991 has 32 divisors (see below), whose sum is σ = 53728482816. Its totient is φ = 16780800000.

The previous prime is 32312039987. The next prime is 32312040077. The reversal of 32312039991 is 19993021323.

It is a happy number.

It is not a de Polignac number, because 32312039991 - 2² = 32312039987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32312039911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 906751 + ... + 941711.

It is an arithmetic number, because the mean of its divisors is an integer number (1679015088).

Almost surely, 2^32312039991 is an apocalyptic number.

32312039991 is a deficient number, since it is larger than the sum of its proper divisors (21416442825).

32312039991 is a wasteful number, since it uses less digits than its factorization.

32312039991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38983.

The product of its (nonzero) digits is 78732, while the sum is 42.

The spelling of 32312039991 in words is "thirty-two billion, three hundred twelve million, thirty-nine thousand, nine hundred ninety-one".