1040202131 has 8 divisors (see below), whose sum is σ = 1086728400. Its totient is φ = 994386400.

The previous prime is 1040202077. The next prime is 1040202157. The reversal of 1040202131 is 1312020401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040202131 is a prime.

It is a super-2 number, since 2×1040202131² = 2164040946673882322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040202161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174641 + ... + 180498.

It is an arithmetic number, because the mean of its divisors is an integer number (135841050).

Almost surely, 2^1040202131 is an apocalyptic number.

1040202131 is a deficient number, since it is larger than the sum of its proper divisors (46526269).

1040202131 is a wasteful number, since it uses less digits than its factorization.

1040202131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355269.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1040202131 is about 32252.1647490521. The cubic root of 1040202131 is about 1013.2250376847.

Adding to 1040202131 its reverse (1312020401), we get a palindrome (2352222532).

The spelling of 1040202131 in words is "one billion, forty million, two hundred two thousand, one hundred thirty-one".