31101302102 has 32 divisors (see below), whose sum is σ = 50503104288. Its totient is φ = 14279613696.

The previous prime is 31101302101. The next prime is 31101302107. The reversal of 31101302102 is 20120310113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31101302101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4801538 + ... + 4808010.

It is an arithmetic number, because the mean of its divisors is an integer number (1578222009).

Almost surely, 2^31101302102 is an apocalyptic number.

31101302102 is a deficient number, since it is larger than the sum of its proper divisors (19401802186).

31101302102 is a wasteful number, since it uses less digits than its factorization.

31101302102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31101302102 its reverse (20120310113), we get a palindrome (51221612215).

The spelling of 31101302102 in words is "thirty-one billion, one hundred one million, three hundred two thousand, one hundred two".