131013123022 has 4 divisors (see below), whose sum is σ = 196519684536. Its totient is φ = 65506561510.

The previous prime is 131013123019. The next prime is 131013123023. The reversal of 131013123022 is 220321310131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131013123023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32753280754 + ... + 32753280757.

It is an arithmetic number, because the mean of its divisors is an integer number (49129921134).

Almost surely, 2^131013123022 is an apocalyptic number.

131013123022 is a deficient number, since it is larger than the sum of its proper divisors (65506561514).

131013123022 is an equidigital number, since it uses as much as digits as its factorization.

131013123022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65506561513.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131013123022 its reverse (220321310131), we get a palindrome (351334433153).

The spelling of 131013123022 in words is "one hundred thirty-one billion, thirteen million, one hundred twenty-three thousand, twenty-two".