164125031 has 4 divisors (see below), whose sum is σ = 187571472. Its totient is φ = 140678592.

The previous prime is 164125019. The next prime is 164125037. The reversal of 164125031 is 130521461.

164125031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 164125031 - 2¹⁴ = 164108647 is a prime.

It is a super-2 number, since 2×164125031² = 53874051601501922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164124988 and 164125006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164125037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11723210 + ... + 11723223.

It is an arithmetic number, because the mean of its divisors is an integer number (46892868).

Almost surely, 2^164125031 is an apocalyptic number.

164125031 is a deficient number, since it is larger than the sum of its proper divisors (23446441).

164125031 is an equidigital number, since it uses as much as digits as its factorization.

164125031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23446440.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 164125031 is about 12811.1291852046. The cubic root of 164125031 is about 547.5094343085.

Adding to 164125031 its reverse (130521461), we get a palindrome (294646492).

The spelling of 164125031 in words is "one hundred sixty-four million, one hundred twenty-five thousand, thirty-one".