1040815131 has 8 divisors (see below), whose sum is σ = 1387906320. Its totient is φ = 693800352.

The previous prime is 1040815121. The next prime is 1040815169. The reversal of 1040815131 is 1315180401.

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

It is not a de Polignac number, because 1040815131 - 2⁵ = 1040815099 is a prime.

It is a super-2 number, since 2×1040815131² = 2166592273837094322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040815121) 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, 32941 + ... + 56273.

It is an arithmetic number, because the mean of its divisors is an integer number (173488290).

Almost surely, 2^1040815131 is an apocalyptic number.

1040815131 is a deficient number, since it is larger than the sum of its proper divisors (347091189).

1040815131 is a wasteful number, since it uses less digits than its factorization.

1040815131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38205.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1040815131 is about 32261.6665874533. Note that the first 3 decimals coincide. The cubic root of 1040815131 is about 1013.4240326562.

Adding to 1040815131 its reverse (1315180401), we get a palindrome (2355995532).

The spelling of 1040815131 in words is "one billion, forty million, eight hundred fifteen thousand, one hundred thirty-one".