31130102101002 has 16 divisors (see below), whose sum is σ = 63708115928160. Its totient is φ = 10135382079312.

The previous prime is 31130102101001. The next prime is 31130102101009. The reversal of 31130102101002 is 20010120103113.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31130102101001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60329654977 + ... + 60329655492.

It is an arithmetic number, because the mean of its divisors is an integer number (3981757245510).

Almost surely, 2^{31130102101002} is an apocalyptic number.

31130102101002 is an abundant number, since it is smaller than the sum of its proper divisors (32578013827158).

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

31130102101002 is a wasteful number, since it uses less digits than its factorization.

31130102101002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120659310517.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 31130102101002 its reverse (20010120103113), we get a palindrome (51140222204115).

The spelling of 31130102101002 in words is "thirty-one trillion, one hundred thirty billion, one hundred two million, one hundred one thousand, two".