31020200110102 has 32 divisors (see below), whose sum is σ = 55976958996480. Its totient is φ = 12594519653760.

The previous prime is 31020200110087. The next prime is 31020200110111. The reversal of 31020200110102 is 20101100202013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23598283 + ... + 24878089.

It is an arithmetic number, because the mean of its divisors is an integer number (1749279968640).

Almost surely, 2^{31020200110102} is an apocalyptic number.

31020200110102 is a deficient number, since it is larger than the sum of its proper divisors (24956758886378).

31020200110102 is a wasteful number, since it uses less digits than its factorization.

31020200110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370956.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 31020200110102 its reverse (20101100202013), we get a palindrome (51121300312115).

The spelling of 31020200110102 in words is "thirty-one trillion, twenty billion, two hundred million, one hundred ten thousand, one hundred two".