331116457 has 8 divisors (see below), whose sum is σ = 386470656. Its totient is φ = 277775232.

The previous prime is 331116433. The next prime is 331116491. The reversal of 331116457 is 754611133.

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

It is not a de Polignac number, because 331116457 - 2²³ = 322727849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331111457) 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, 502888 + ... + 503545.

It is an arithmetic number, because the mean of its divisors is an integer number (48308832).

Almost surely, 2^331116457 is an apocalyptic number.

It is an amenable number.

331116457 is a deficient number, since it is larger than the sum of its proper divisors (55354199).

331116457 is a wasteful number, since it uses less digits than its factorization.

331116457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006487.

The product of its digits is 7560, while the sum is 31.

The square root of 331116457 is about 18196.6056450097. The cubic root of 331116457 is about 691.8207579526.

The spelling of 331116457 in words is "three hundred thirty-one million, one hundred sixteen thousand, four hundred fifty-seven".