1002131031130 has 16 divisors (see below), whose sum is σ = 1804272377544. Its totient is φ = 400755407680.

The previous prime is 1002131031091. The next prime is 1002131031133. The reversal of 1002131031130 is 311301312001.

It can be written as a sum of positive squares in 4 ways, for example, as 951110612001 + 51020419129 = 975249^2 + 225877^2 .

It is not an unprimeable number, because it can be changed into a prime (1002131031133) 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, 12082201 + ... + 12164860.

Almost surely, 2^{1002131031130} is an apocalyptic number.

1002131031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002131031130 is a deficient number, since it is larger than the sum of its proper divisors (802141346414).

1002131031130 is a wasteful number, since it uses less digits than its factorization.

1002131031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24251201.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1002131031130 its reverse (311301312001), we get a palindrome (1313432343131).

The spelling of 1002131031130 in words is "one trillion, two billion, one hundred thirty-one million, thirty-one thousand, one hundred thirty".