61483131 has 18 divisors (see below), whose sum is σ = 92229852. Its totient is φ = 40984380.

The previous prime is 61483087. The next prime is 61483139. The reversal of 61483131 is 13138416.

It is not a de Polignac number, because 61483131 - 2¹¹ = 61481083 is a prime.

It is a super-2 number, since 2×61483131² = 7560350795126322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 61483095 and 61483104.

It is not an unprimeable number, because it can be changed into a prime (61483139) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1876 + ... + 11246.

Almost surely, 2^61483131 is an apocalyptic number.

61483131 is a deficient number, since it is larger than the sum of its proper divisors (30746721).

61483131 is an frugal number, since it uses more digits than its factorization.

61483131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395 (or 9374 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 61483131 is about 7841.1179687593. The cubic root of 61483131 is about 394.6862455318.

The spelling of 61483131 in words is "sixty-one million, four hundred eighty-three thousand, one hundred thirty-one".