131321122 has 32 divisors (see below), whose sum is σ = 218736000. Its totient is φ = 58848768.

The previous prime is 131321101. The next prime is 131321131. The reversal of 131321122 is 221123131.

It is a junction number, because it is equal to n+sod(n) for n = 131321096 and 131321105.

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, 84004 + ... + 85552.

It is an arithmetic number, because the mean of its divisors is an integer number (6835500).

Almost surely, 2^131321122 is an apocalyptic number.

131321122 is a deficient number, since it is larger than the sum of its proper divisors (87414878).

131321122 is a wasteful number, since it uses less digits than its factorization.

131321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690.

The product of its digits is 72, while the sum is 16.

The square root of 131321122 is about 11459.5428355585. The cubic root of 131321122 is about 508.2899562975.

Adding to 131321122 its reverse (221123131), we get a palindrome (352444253).

The spelling of 131321122 in words is "one hundred thirty-one million, three hundred twenty-one thousand, one hundred twenty-two".