31301040000191 has 12 divisors (see below), whose sum is σ = 35367678852048. Its totient is φ = 27637038658944.

The previous prime is 31301040000161. The next prime is 31301040000247. The reversal of 31301040000191 is 19100004010313.

It is not a de Polignac number, because 31301040000191 - 2¹⁰ = 31301039999167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301040000151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4026371210 + ... + 4026378983.

It is an arithmetic number, because the mean of its divisors is an integer number (2947306571004).

Almost surely, 2^{31301040000191} is an apocalyptic number.

31301040000191 is a deficient number, since it is larger than the sum of its proper divisors (4066638851857).

31301040000191 is a wasteful number, since it uses less digits than its factorization.

31301040000191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052750242 (or 8052750229 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 23.

The spelling of 31301040000191 in words is "thirty-one trillion, three hundred one billion, forty million, one hundred ninety-one", and thus it is an aban number.