1509097131 has 6 divisors (see below), whose sum is σ = 2179806980. Its totient is φ = 1006064748.

The previous prime is 1509097087. The next prime is 1509097141. The reversal of 1509097131 is 1317909051.

It is not a de Polignac number, because 1509097131 - 2⁹ = 1509096619 is a prime.

It is a super-2 number, since 2×1509097131² = 4554748301584862322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1509097141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83838721 + ... + 83838738.

Almost surely, 2^1509097131 is an apocalyptic number.

1509097131 is a deficient number, since it is larger than the sum of its proper divisors (670709849).

1509097131 is a wasteful number, since it uses less digits than its factorization.

1509097131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167677465 (or 167677462 counting only the distinct ones).

The product of its (nonzero) digits is 8505, while the sum is 36.

The square root of 1509097131 is about 38847.0993897871. The cubic root of 1509097131 is about 1147.0237167893.

The spelling of 1509097131 in words is "one billion, five hundred nine million, ninety-seven thousand, one hundred thirty-one".