131023431420332 has 24 divisors (see below), whose sum is σ = 250251822030672. Its totient is φ = 59528443232000.

The previous prime is 131023431420191. The next prime is 131023431420347. The reversal of 131023431420332 is 233024134320131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691453169 + ... + 691642632.

It is an arithmetic number, because the mean of its divisors is an integer number (10427159251278).

Almost surely, 2^{131023431420332} is an apocalyptic number.

It is an amenable number.

131023431420332 is a deficient number, since it is larger than the sum of its proper divisors (119228390610340).

131023431420332 is a wasteful number, since it uses less digits than its factorization.

131023431420332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383097969 (or 1383097967 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 131023431420332 its reverse (233024134320131), we get a palindrome (364047565740463).

The spelling of 131023431420332 in words is "one hundred thirty-one trillion, twenty-three billion, four hundred thirty-one million, four hundred twenty thousand, three hundred thirty-two".