31200130322009 has 16 divisors (see below), whose sum is σ = 36983639592960. Its totient is φ = 26004121578000.

The previous prime is 31200130322003. The next prime is 31200130322069. The reversal of 31200130322009 is 90022303100213.

It is a cyclic number.

It is not a de Polignac number, because 31200130322009 - 2²⁸ = 31199861886553 is a prime.

It is a super-2 number, since 2×31200130322009² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31200130322003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2407782557 + ... + 2407795514.

It is an arithmetic number, because the mean of its divisors is an integer number (2311477474560).

Almost surely, 2^{31200130322009} is an apocalyptic number.

It is an amenable number.

31200130322009 is a deficient number, since it is larger than the sum of its proper divisors (5783509270951).

31200130322009 is a wasteful number, since it uses less digits than its factorization.

31200130322009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4815578132.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 31200130322009 in words is "thirty-one trillion, two hundred billion, one hundred thirty million, three hundred twenty-two thousand, nine".