31030113023002 has 4 divisors (see below), whose sum is σ = 46545169534506. Its totient is φ = 15515056511500.

The previous prime is 31030113022981. The next prime is 31030113023051. The reversal of 31030113023002 is 20032031103013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24393414782961 + 6636698240041 = 4938969^2 + 2576179^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7757528255749 + ... + 7757528255752.

Almost surely, 2^{31030113023002} is an apocalyptic number.

31030113023002 is a deficient number, since it is larger than the sum of its proper divisors (15515056511504).

31030113023002 is a wasteful number, since it uses less digits than its factorization.

31030113023002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15515056511503.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31030113023002 its reverse (20032031103013), we get a palindrome (51062144126015).

The spelling of 31030113023002 in words is "thirty-one trillion, thirty billion, one hundred thirteen million, twenty-three thousand, two".