311430240231398 has 8 divisors (see below), whose sum is σ = 482214565519680. Its totient is φ = 150692051724840.

The previous prime is 311430240231377. The next prime is 311430240231427. The reversal of 311430240231398 is 893132042034113.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2511534195353 + ... + 2511534195476.

It is an arithmetic number, because the mean of its divisors is an integer number (60276820689960).

Almost surely, 2^{311430240231398} is an apocalyptic number.

311430240231398 is a deficient number, since it is larger than the sum of its proper divisors (170784325288282).

311430240231398 is a wasteful number, since it uses less digits than its factorization.

311430240231398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023068390862.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 311430240231398 in words is "three hundred eleven trillion, four hundred thirty billion, two hundred forty million, two hundred thirty-one thousand, three hundred ninety-eight".