31030223102 has 16 divisors (see below), whose sum is σ = 47315572800. Its totient is φ = 15258443040.

The previous prime is 31030223099. The next prime is 31030223113. The reversal of 31030223102 is 20132203013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008299 + ... + 1038617.

It is an arithmetic number, because the mean of its divisors is an integer number (2957223300).

Almost surely, 2^31030223102 is an apocalyptic number.

31030223102 is a deficient number, since it is larger than the sum of its proper divisors (16285349698).

31030223102 is a wasteful number, since it uses less digits than its factorization.

31030223102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38771.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31030223102 its reverse (20132203013), we get a palindrome (51162426115).

The spelling of 31030223102 in words is "thirty-one billion, thirty million, two hundred twenty-three thousand, one hundred two".