1031552131 has 4 divisors (see below), whose sum is σ = 1031823712. Its totient is φ = 1031280552.

The previous prime is 1031552101. The next prime is 1031552141. The reversal of 1031552131 is 1312551301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1031552131 - 2⁷ = 1031552003 is a prime.

It is a super-2 number, since 2×1031552131² = 2128199597941282322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031552101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130011 + ... + 137716.

It is an arithmetic number, because the mean of its divisors is an integer number (257955928).

Almost surely, 2^1031552131 is an apocalyptic number.

1031552131 is a deficient number, since it is larger than the sum of its proper divisors (271581).

1031552131 is an equidigital number, since it uses as much as digits as its factorization.

1031552131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271580.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1031552131 is about 32117.7852754514. The cubic root of 1031552131 is about 1010.4086608863.

The spelling of 1031552131 in words is "one billion, thirty-one million, five hundred fifty-two thousand, one hundred thirty-one".