172948031 has 2 divisors, whose sum is σ = 172948032. Its totient is φ = 172948030.

The previous prime is 172948019. The next prime is 172948043. The reversal of 172948031 is 130849271.

It is a balanced prime because it is at equal distance from previous prime (172948019) and next prime (172948043).

It is a cyclic number.

It is not a de Polignac number, because 172948031 - 2¹⁰ = 172947007 is a prime.

It is a super-2 number, since 2×172948031² = 59822042853553922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 172947982 and 172948000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172948081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86474015 + 86474016.

It is an arithmetic number, because the mean of its divisors is an integer number (86474016).

Almost surely, 2^172948031 is an apocalyptic number.

172948031 is a deficient number, since it is larger than the sum of its proper divisors (1).

172948031 is an equidigital number, since it uses as much as digits as its factorization.

172948031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 172948031 is about 13150.9707246271. The cubic root of 172948031 is about 557.1496653406.

The spelling of 172948031 in words is "one hundred seventy-two million, nine hundred forty-eight thousand, thirty-one".