131222022031 has 8 divisors (see below), whose sum is σ = 131655042864. Its totient is φ = 130789089600.

The previous prime is 131222022013. The next prime is 131222022049. The reversal of 131222022031 is 130220222131.

It is an interprime number because it is at equal distance from previous prime (131222022013) and next prime (131222022049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131222022031 - 2¹¹ = 131222019983 is a prime.

It is a super-2 number, since 2×131222022031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222022091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4383045 + ... + 4412881.

It is an arithmetic number, because the mean of its divisors is an integer number (16456880358).

Almost surely, 2^131222022031 is an apocalyptic number.

131222022031 is a deficient number, since it is larger than the sum of its proper divisors (433020833).

131222022031 is a wasteful number, since it uses less digits than its factorization.

131222022031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44201.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 131222022031 its reverse (130220222131), we get a palindrome (261442244162).

It can be divided in two parts, 13122 and 2022031, that added together give a triangular number (2035153 = T₂₀₁₇).

The spelling of 131222022031 in words is "one hundred thirty-one billion, two hundred twenty-two million, twenty-two thousand, thirty-one".