31302302102 has 32 divisors (see below), whose sum is σ = 48451011840. Its totient is φ = 15158394720.

The previous prime is 31302302071. The next prime is 31302302149. The reversal of 31302302102 is 20120320313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18061628 + ... + 18063360.

It is an arithmetic number, because the mean of its divisors is an integer number (1514094120).

Almost surely, 2^31302302102 is an apocalyptic number.

31302302102 is a deficient number, since it is larger than the sum of its proper divisors (17148709738).

31302302102 is a wasteful number, since it uses less digits than its factorization.

31302302102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428.

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

Adding to 31302302102 its reverse (20120320313), we get a palindrome (51422622415).

The spelling of 31302302102 in words is "thirty-one billion, three hundred two million, three hundred two thousand, one hundred two".