31203200131 has 8 divisors (see below), whose sum is σ = 32452282544. Its totient is φ = 29977909920.

The previous prime is 31203200117. The next prime is 31203200159. The reversal of 31203200131 is 13100230213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31203200131 - 2⁵ = 31203200099 is a prime.

It is a super-2 number, since 2×31203200131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31203200531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5945376 + ... + 5950621.

It is an arithmetic number, because the mean of its divisors is an integer number (4056535318).

Almost surely, 2^31203200131 is an apocalyptic number.

31203200131 is a deficient number, since it is larger than the sum of its proper divisors (1249082413).

31203200131 is a wasteful number, since it uses less digits than its factorization.

31203200131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11896101.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31203200131 its reverse (13100230213), we get a palindrome (44303430344).

The spelling of 31203200131 in words is "thirty-one billion, two hundred three million, two hundred thousand, one hundred thirty-one".