157847031 has 6 divisors (see below), whose sum is σ = 228001280. Its totient is φ = 105231348.

The previous prime is 157847017. The next prime is 157847059. The reversal of 157847031 is 130748751.

157847031 is a `hidden beast` number, since 157 + 8 + 470 + 31 = 666.

It is not a de Polignac number, because 157847031 - 2¹³ = 157838839 is a prime.

It is a super-2 number, since 2×157847031² = 49831370391029922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157847531) 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, 8769271 + ... + 8769288.

Almost surely, 2^157847031 is an apocalyptic number.

157847031 is a deficient number, since it is larger than the sum of its proper divisors (70154249).

157847031 is a wasteful number, since it uses less digits than its factorization.

157847031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17538565 (or 17538562 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 157847031 is about 12563.7188363955. The cubic root of 157847031 is about 540.4374952502.

The spelling of 157847031 in words is "one hundred fifty-seven million, eight hundred forty-seven thousand, thirty-one".