131222113130 has 32 divisors (see below), whose sum is σ = 239236650576. Its totient is φ = 51816720384.

The previous prime is 131222113069. The next prime is 131222113159. The reversal of 131222113130 is 31311222131.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 42642663001 + 88579450129 = 206501^2 + 297623^2 .

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, 214712 + ... + 555468.

Almost surely, 2^131222113130 is an apocalyptic number.

131222113130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131222113130 is a deficient number, since it is larger than the sum of its proper divisors (108014537446).

131222113130 is a wasteful number, since it uses less digits than its factorization.

131222113130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341258.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131222113130 its reverse (31311222131), we get a palindrome (162533335261).

The spelling of 131222113130 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred thirty".