31399011241 has 8 divisors (see below), whose sum is σ = 35594021120. Its totient is φ = 27458244432.

The previous prime is 31399011197. The next prime is 31399011251. The reversal of 31399011241 is 14211099313.

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 31399011241 - 2⁷ = 31399011113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31399011197 and 31399011206.

It is not an unprimeable number, because it can be changed into a prime (31399011251) 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, 63560505 + ... + 63560998.

It is an arithmetic number, because the mean of its divisors is an integer number (4449252640).

Almost surely, 2^31399011241 is an apocalyptic number.

It is an amenable number.

31399011241 is a deficient number, since it is larger than the sum of its proper divisors (4195009879).

31399011241 is a wasteful number, since it uses less digits than its factorization.

31399011241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127121535.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 31399011241 in words is "thirty-one billion, three hundred ninety-nine million, eleven thousand, two hundred forty-one".