32312051987 has 2 divisors, whose sum is σ = 32312051988. Its totient is φ = 32312051986.

The previous prime is 32312051953. The next prime is 32312052049. The reversal of 32312051987 is 78915021323.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32312051987 - 2¹⁶ = 32311986451 is a prime.

It is a super-2 number, since 2×32312051987² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32312051917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16156025993 + 16156025994.

It is an arithmetic number, because the mean of its divisors is an integer number (16156025994).

Almost surely, 2^32312051987 is an apocalyptic number.

32312051987 is a deficient number, since it is larger than the sum of its proper divisors (1).

32312051987 is an equidigital number, since it uses as much as digits as its factorization.

32312051987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 32312051987 in words is "thirty-two billion, three hundred twelve million, fifty-one thousand, nine hundred eighty-seven".