398975259031 has 8 divisors (see below), whose sum is σ = 404601099840. Its totient is φ = 393374817792.

The previous prime is 398975259013. The next prime is 398975259049. The reversal of 398975259031 is 130952579893.

It is an interprime number because it is at equal distance from previous prime (398975259013) and next prime (398975259049).

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 398975259031 - 2⁵ = 398975258999 is a prime.

It is a super-2 number, since 2×398975259031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398975259061) 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, 6318255 + ... + 6381088.

It is an arithmetic number, because the mean of its divisors is an integer number (50575137480).

Almost surely, 2^398975259031 is an apocalyptic number.

398975259031 is a deficient number, since it is larger than the sum of its proper divisors (5625840809).

398975259031 is a wasteful number, since it uses less digits than its factorization.

398975259031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12699785.

The product of its (nonzero) digits is 18370800, while the sum is 61.

The spelling of 398975259031 in words is "three hundred ninety-eight billion, nine hundred seventy-five million, two hundred fifty-nine thousand, thirty-one".