172967031 has 6 divisors (see below), whose sum is σ = 249841280. Its totient is φ = 115311348.

The previous prime is 172967023. The next prime is 172967033. The reversal of 172967031 is 130769271.

It is a happy number.

It is not a de Polignac number, because 172967031 - 2³ = 172967023 is a prime.

It is a super-2 number, since 2×172967031² = 59835187625909922, 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 (172967033) 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, 9609271 + ... + 9609288.

Almost surely, 2^172967031 is an apocalyptic number.

172967031 is a deficient number, since it is larger than the sum of its proper divisors (76874249).

172967031 is a wasteful number, since it uses less digits than its factorization.

172967031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19218565 (or 19218562 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 172967031 is about 13151.6930849226. The cubic root of 172967031 is about 557.1700673383.

The spelling of 172967031 in words is "one hundred seventy-two million, nine hundred sixty-seven thousand, thirty-one".