331927742 has 4 divisors (see below), whose sum is σ = 497891616. Its totient is φ = 165963870.

The previous prime is 331927733. The next prime is 331927753. The reversal of 331927742 is 247729133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 247729133 = 277 ⋅894329.

It is a super-2 number, since 2×331927742² = 220352051818437128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331927696 and 331927705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82981934 + ... + 82981937.

It is an arithmetic number, because the mean of its divisors is an integer number (124472904).

Almost surely, 2^331927742 is an apocalyptic number.

331927742 is a deficient number, since it is larger than the sum of its proper divisors (165963874).

331927742 is a wasteful number, since it uses less digits than its factorization.

331927742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165963873.

The product of its digits is 63504, while the sum is 38.

The square root of 331927742 is about 18218.8842139139. The cubic root of 331927742 is about 692.3853186695.

The spelling of 331927742 in words is "three hundred thirty-one million, nine hundred twenty-seven thousand, seven hundred forty-two".