31460129 has 2 divisors, whose sum is σ = 31460130. Its totient is φ = 31460128.

The previous prime is 31460063. The next prime is 31460137. The reversal of 31460129 is 92106413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28302400 + 3157729 = 5320^2 + 1777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31460129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 31460098 and 31460107.

It is not a weakly prime, because it can be changed into another prime (31460329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15730064 + 15730065.

It is an arithmetic number, because the mean of its divisors is an integer number (15730065).

Almost surely, 2^31460129 is an apocalyptic number.

It is an amenable number.

31460129 is a deficient number, since it is larger than the sum of its proper divisors (1).

31460129 is an equidigital number, since it uses as much as digits as its factorization.

31460129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 31460129 is about 5608.9329644773. The cubic root of 31460129 is about 315.6846751721.

The spelling of 31460129 in words is "thirty-one million, four hundred sixty thousand, one hundred twenty-nine".