31321200102 has 8 divisors (see below), whose sum is σ = 62642400216. Its totient is φ = 10440400032.

The previous prime is 31321200101. The next prime is 31321200103. The reversal of 31321200102 is 20100212313.

It is an interprime number because it is at equal distance from previous prime (31321200101) and next prime (31321200103).

It is a sphenic number, since it is the product of 3 distinct primes.

31321200102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31321200101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2610100003 + ... + 2610100014.

It is an arithmetic number, because the mean of its divisors is an integer number (7830300027).

Almost surely, 2^31321200102 is an apocalyptic number.

31321200102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31321200102 is a wasteful number, since it uses less digits than its factorization.

31321200102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5220200022.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31321200102 its reverse (20100212313), we get a palindrome (51421412415).

The spelling of 31321200102 in words is "thirty-one billion, three hundred twenty-one million, two hundred thousand, one hundred two".