31001320102 has 8 divisors (see below), whose sum is σ = 48105496800. Its totient is φ = 14966154504.

The previous prime is 31001320093. The next prime is 31001320117. The reversal of 31001320102 is 20102310013.

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

It is a super-2 number, since 2×31001320102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267252702 + ... + 267252817.

It is an arithmetic number, because the mean of its divisors is an integer number (6013187100).

Almost surely, 2^31001320102 is an apocalyptic number.

31001320102 is a deficient number, since it is larger than the sum of its proper divisors (17104176698).

31001320102 is a wasteful number, since it uses less digits than its factorization.

31001320102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534505550.

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

Adding to 31001320102 its reverse (20102310013), we get a palindrome (51103630115).

It can be divided in two parts, 310013 and 20102, that multiplied together give a palindrome (6231881326).

The spelling of 31001320102 in words is "thirty-one billion, one million, three hundred twenty thousand, one hundred two".