31301020102 has 8 divisors (see below), whose sum is σ = 51219851112. Its totient is φ = 14227736400.

The previous prime is 31301020073. The next prime is 31301020103. The reversal of 31301020102 is 20102010313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301020103) 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, 711386799 + ... + 711386842.

It is an arithmetic number, because the mean of its divisors is an integer number (6402481389).

Almost surely, 2^31301020102 is an apocalyptic number.

31301020102 is a deficient number, since it is larger than the sum of its proper divisors (19918831010).

31301020102 is a wasteful number, since it uses less digits than its factorization.

31301020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422773654.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 31301020102 its reverse (20102010313), we get a palindrome (51403030415).

The spelling of 31301020102 in words is "thirty-one billion, three hundred one million, twenty thousand, one hundred two".