131020311230 has 16 divisors (see below), whose sum is σ = 238040642160. Its totient is φ = 51918328512.

The previous prime is 131020311199. The next prime is 131020311277. The reversal of 131020311230 is 32113020131.

It is a super-2 number, since 2×131020311230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131020311199 and 131020311208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61223375 + ... + 61225514.

It is an arithmetic number, because the mean of its divisors is an integer number (14877540135).

Almost surely, 2^131020311230 is an apocalyptic number.

131020311230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131020311230 is a deficient number, since it is larger than the sum of its proper divisors (107020330930).

131020311230 is a wasteful number, since it uses less digits than its factorization.

131020311230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122449003.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131020311230 its reverse (32113020131), we get a palindrome (163133331361).

The spelling of 131020311230 in words is "one hundred thirty-one billion, twenty million, three hundred eleven thousand, two hundred thirty".