31438764001 has 2 divisors, whose sum is σ = 31438764002. Its totient is φ = 31438764000.

The previous prime is 31438763999. The next prime is 31438764017. The reversal of 31438764001 is 10046783413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17043563601 + 14395200400 = 130551^2 + 119980^2 .

It is a cyclic number.

It is not a de Polignac number, because 31438764001 - 2¹ = 31438763999 is a prime.

Together with 31438763999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (31438764041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15719382000 + 15719382001.

It is an arithmetic number, because the mean of its divisors is an integer number (15719382001).

Almost surely, 2^31438764001 is an apocalyptic number.

It is an amenable number.

31438764001 is a deficient number, since it is larger than the sum of its proper divisors (1).

31438764001 is an equidigital number, since it uses as much as digits as its factorization.

31438764001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 31438764001 in words is "thirty-one billion, four hundred thirty-eight million, seven hundred sixty-four thousand, one".