31113002029 has 2 divisors, whose sum is σ = 31113002030. Its totient is φ = 31113002028.

The previous prime is 31113002027. The next prime is 31113002057. The reversal of 31113002029 is 92020031113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23530946404 + 7582055625 = 153398^2 + 87075^2 .

It is a cyclic number.

It is not a de Polignac number, because 31113002029 - 2¹ = 31113002027 is a prime.

Together with 31113002027, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31113002027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15556501014 + 15556501015.

It is an arithmetic number, because the mean of its divisors is an integer number (15556501015).

Almost surely, 2^31113002029 is an apocalyptic number.

It is an amenable number.

31113002029 is a deficient number, since it is larger than the sum of its proper divisors (1).

31113002029 is an equidigital number, since it uses as much as digits as its factorization.

31113002029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 31113002029 in words is "thirty-one billion, one hundred thirteen million, two thousand, twenty-nine".