331914121 has 8 divisors (see below), whose sum is σ = 413815104. Its totient is φ = 258634320.

The previous prime is 331914113. The next prime is 331914133. The reversal of 331914121 is 121419133.

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

It is not a de Polignac number, because 331914121 - 2³ = 331914113 is a prime.

It is a super-2 number, since 2×331914121² = 220333967438405282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331914521) 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, 2155210 + ... + 2155363.

It is an arithmetic number, because the mean of its divisors is an integer number (51726888).

Almost surely, 2^331914121 is an apocalyptic number.

It is an amenable number.

331914121 is a deficient number, since it is larger than the sum of its proper divisors (81900983).

331914121 is a wasteful number, since it uses less digits than its factorization.

331914121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310591.

The product of its digits is 648, while the sum is 25.

The square root of 331914121 is about 18218.5103946508. The cubic root of 331914121 is about 692.3758476228.

The spelling of 331914121 in words is "three hundred thirty-one million, nine hundred fourteen thousand, one hundred twenty-one".