131402312322 has 64 divisors (see below), whose sum is σ = 283787919360. Its totient is φ = 40437320000.

The previous prime is 131402312317. The next prime is 131402312329. The reversal of 131402312322 is 223213204131.

It is a junction number, because it is equal to n+sod(n) for n = 131402312292 and 131402312301.

It is not an unprimeable number, because it can be changed into a prime (131402312329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19010047 + ... + 19016957.

It is an arithmetic number, because the mean of its divisors is an integer number (4434186240).

Almost surely, 2^131402312322 is an apocalyptic number.

131402312322 is an abundant number, since it is smaller than the sum of its proper divisors (152385607038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131402312322 is a wasteful number, since it uses less digits than its factorization.

131402312322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11719.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131402312322 its reverse (223213204131), we get a palindrome (354615516453).

The spelling of 131402312322 in words is "one hundred thirty-one billion, four hundred two million, three hundred twelve thousand, three hundred twenty-two".