31002029 has 2 divisors, whose sum is σ = 31002030. Its totient is φ = 31002028.

The previous prime is 31002007. The next prime is 31002061. The reversal of 31002029 is 92020013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19624900 + 11377129 = 4430^2 + 3373^2 .

It is a cyclic number.

It is not a de Polignac number, because 31002029 - 2¹² = 30997933 is a prime.

It is a super-2 number, since 2×31002029² = 1922251604233682, 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 = 31001998 and 31002016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31002089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15501014 + 15501015.

It is an arithmetic number, because the mean of its divisors is an integer number (15501015).

Almost surely, 2^31002029 is an apocalyptic number.

It is an amenable number.

31002029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31002029 is an equidigital number, since it uses as much as digits as its factorization.

31002029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 31002029 is about 5567.9465694275. The cubic root of 31002029 is about 314.1449187040.

The spelling of 31002029 in words is "thirty-one million, two thousand, twenty-nine".