31001000131 has 8 divisors (see below), whose sum is σ = 32834329344. Its totient is φ = 29168753280.

The previous prime is 31001000119. The next prime is 31001000141. The reversal of 31001000131 is 13100010013.

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 31001000131 - 2¹⁷ = 31000869059 is a prime.

It is a super-2 number, since 2×31001000131² (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 (31001000141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211240 + ... + 326533.

It is an arithmetic number, because the mean of its divisors is an integer number (4104291168).

Almost surely, 2^31001000131 is an apocalyptic number.

31001000131 is a deficient number, since it is larger than the sum of its proper divisors (1833329213).

31001000131 is a wasteful number, since it uses less digits than its factorization.

31001000131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541181.

The product of its (nonzero) digits is 9, while the sum is 10.

Adding to 31001000131 its reverse (13100010013), we get a palindrome (44101010144).

The spelling of 31001000131 in words is "thirty-one billion, one million, one hundred thirty-one", and thus it is an aban number.