102031133230130 has 32 divisors (see below), whose sum is σ = 204603545689200. Its totient is φ = 36373963675392.

The previous prime is 102031133230079. The next prime is 102031133230171. The reversal of 102031133230130 is 31032331130201.

It can be written as a sum of positive squares in 8 ways, for example, as 46830111622009 + 55201021608121 = 6843253^2 + 7429739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102031133230096 and 102031133230105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13531976765 + ... + 13531984304.

Almost surely, 2^{102031133230130} is an apocalyptic number.

102031133230130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102031133230130 is an abundant number, since it is smaller than the sum of its proper divisors (102572412459070).

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

102031133230130 is a wasteful number, since it uses less digits than its factorization.

102031133230130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27063961118.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 102031133230130 its reverse (31032331130201), we get a palindrome (133063464360331).

The spelling of 102031133230130 in words is "one hundred two trillion, thirty-one billion, one hundred thirty-three million, two hundred thirty thousand, one hundred thirty".