129153031 has 16 divisors (see below), whose sum is σ = 150036480. Its totient is φ = 108894240.

The previous prime is 129153007. The next prime is 129153049. The reversal of 129153031 is 130351921.

It is not a de Polignac number, because 129153031 - 2⁵ = 129152999 is a prime.

It is a super-2 number, since 2×129153031² = 33361010832973922, 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 = 129152987 and 129153005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129153001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115905 + ... + 117013.

It is an arithmetic number, because the mean of its divisors is an integer number (9377280).

Almost surely, 2^129153031 is an apocalyptic number.

129153031 is a deficient number, since it is larger than the sum of its proper divisors (20883449).

129153031 is a wasteful number, since it uses less digits than its factorization.

129153031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 129153031 is about 11364.5515089686. The cubic root of 129153031 is about 505.4771570864.

The spelling of 129153031 in words is "one hundred twenty-nine million, one hundred fifty-three thousand, thirty-one".