131402632722 has 32 divisors (see below), whose sum is σ = 284113809600. Its totient is φ = 40374065088.

The previous prime is 131402632717. The next prime is 131402632771. The reversal of 131402632722 is 227236204131.

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, 15572197 + ... + 15580632.

It is an arithmetic number, because the mean of its divisors is an integer number (8878556550).

Almost surely, 2^131402632722 is an apocalyptic number.

131402632722 is an abundant number, since it is smaller than the sum of its proper divisors (152711176878).

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

131402632722 is a wasteful number, since it uses less digits than its factorization.

131402632722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31152890.

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 131402632722 its reverse (227236204131), we get a palindrome (358638836853).

The spelling of 131402632722 in words is "one hundred thirty-one billion, four hundred two million, six hundred thirty-two thousand, seven hundred twenty-two".