31314029 has 2 divisors, whose sum is σ = 31314030. Its totient is φ = 31314028.

The previous prime is 31314013. The next prime is 31314067. The reversal of 31314029 is 92041313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29138404 + 2175625 = 5398^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 31314029 - 2⁴ = 31314013 is a prime.

It is equal to p_1934141 and since 31314029 and 1934141 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 31313995 and 31314013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31311029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15657014 + 15657015.

It is an arithmetic number, because the mean of its divisors is an integer number (15657015).

Almost surely, 2^31314029 is an apocalyptic number.

It is an amenable number.

31314029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31314029 is an equidigital number, since it uses as much as digits as its factorization.

31314029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 31314029 is about 5595.8939410965. The cubic root of 31314029 is about 315.1952396760.

The spelling of 31314029 in words is "thirty-one million, three hundred fourteen thousand, twenty-nine".