31002201007 has 2 divisors, whose sum is σ = 31002201008. Its totient is φ = 31002201006.

The previous prime is 31002200941. The next prime is 31002201019. The reversal of 31002201007 is 70010220013.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31002201007 is a prime.

It is a super-2 number, since 2×31002201007² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31002201037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15501100503 + 15501100504.

It is an arithmetic number, because the mean of its divisors is an integer number (15501100504).

Almost surely, 2^31002201007 is an apocalyptic number.

31002201007 is a deficient number, since it is larger than the sum of its proper divisors (1).

31002201007 is an equidigital number, since it uses as much as digits as its factorization.

31002201007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The spelling of 31002201007 in words is "thirty-one billion, two million, two hundred one thousand, seven".