1497231131 has 12 divisors (see below), whose sum is σ = 1647154992. Its totient is φ = 1359930000.

The previous prime is 1497231101. The next prime is 1497231137. The reversal of 1497231131 is 1311327941.

It is not a de Polignac number, because 1497231131 - 2¹⁰ = 1497230107 is a prime.

It is a super-2 number, since 2×1497231131² = 4483402119271078322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1497231137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152666 + ... + 162176.

It is an arithmetic number, because the mean of its divisors is an integer number (137262916).

Almost surely, 2^1497231131 is an apocalyptic number.

1497231131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1497231131 is a deficient number, since it is larger than the sum of its proper divisors (149923861).

1497231131 is a wasteful number, since it uses less digits than its factorization.

1497231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10834 (or 10823 counting only the distinct ones).

The product of its digits is 4536, while the sum is 32.

The square root of 1497231131 is about 38694.0710057755. The cubic root of 1497231131 is about 1144.0094612137.

The spelling of 1497231131 in words is "one billion, four hundred ninety-seven million, two hundred thirty-one thousand, one hundred thirty-one".