1975431116 has 6 divisors (see below), whose sum is σ = 3457004460. Its totient is φ = 987715556.

The previous prime is 1975431113. The next prime is 1975431131. The reversal of 1975431116 is 6111345791.

It is a super-2 number, since 2×1975431116² = 7804656188122010912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1975431116.

It is not an unprimeable number, because it can be changed into a prime (1975431113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246928886 + ... + 246928893.

It is an arithmetic number, because the mean of its divisors is an integer number (576167410).

Almost surely, 2^1975431116 is an apocalyptic number.

It is an amenable number.

1975431116 is a deficient number, since it is larger than the sum of its proper divisors (1481573344).

1975431116 is a wasteful number, since it uses less digits than its factorization.

1975431116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493857783 (or 493857781 counting only the distinct ones).

The product of its digits is 22680, while the sum is 38.

The square root of 1975431116 is about 44445.8222558656. The cubic root of 1975431116 is about 1254.7406364445.

The spelling of 1975431116 in words is "one billion, nine hundred seventy-five million, four hundred thirty-one thousand, one hundred sixteen".