131122222130 has 16 divisors (see below), whose sum is σ = 249903529560. Its totient is φ = 49363660032.

The previous prime is 131122222087. The next prime is 131122222141. The reversal of 131122222130 is 31222221131.

It can be written as a sum of positive squares in 4 ways, for example, as 89364525721 + 41757696409 = 298939^2 + 204347^2 .

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, 385653425 + ... + 385653764.

Almost surely, 2^131122222130 is an apocalyptic number.

131122222130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131122222130 is a deficient number, since it is larger than the sum of its proper divisors (118781307430).

131122222130 is a wasteful number, since it uses less digits than its factorization.

131122222130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771307213.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 131122222130 its reverse (31222221131), we get a palindrome (162344443261).

Subtracting from 131122222130 its reverse (31222221131), we obtain a palindrome (99900000999).

The spelling of 131122222130 in words is "one hundred thirty-one billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred thirty".