31492800001 has 12 divisors (see below), whose sum is σ = 34439329980. Its totient is φ = 28782436800.

The previous prime is 31492799983. The next prime is 31492800011. The reversal of 31492800001 is 10000829413.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 200958976 + 31291841025 = 14176^2 + 176895^2 .

It is not a de Polignac number, because 31492800001 - 2¹³ = 31492791809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31492800011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 905446 + ... + 939583.

It is an arithmetic number, because the mean of its divisors is an integer number (2869944165).

Almost surely, 2^31492800001 is an apocalyptic number.

It is an amenable number.

31492800001 is a deficient number, since it is larger than the sum of its proper divisors (2946529979).

31492800001 is a wasteful number, since it uses less digits than its factorization.

31492800001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845156 (or 1845143 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 31492800001 in words is "thirty-one billion, four hundred ninety-two million, eight hundred thousand, one".