1113331432131 has 48 divisors (see below), whose sum is σ = 1762477984800. Its totient is φ = 674081823744.

The previous prime is 1113331432127. The next prime is 1113331432153. The reversal of 1113331432131 is 1312341333111.

1113331432131 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 331 + 4 + 321 + 3 + 1 = 666.

It is not a de Polignac number, because 1113331432131 - 2² = 1113331432127 is a prime.

It is a super-2 number, since 2×1113331432131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1113331432095 and 1113331432104.

It is not an unprimeable number, because it can be changed into a prime (1113331432331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7679625 + ... + 7823253.

It is an arithmetic number, because the mean of its divisors is an integer number (36718291350).

Almost surely, 2^{1113331432131} is an apocalyptic number.

1113331432131 is a deficient number, since it is larger than the sum of its proper divisors (649146552669).

1113331432131 is a wasteful number, since it uses less digits than its factorization.

1113331432131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145428 (or 145425 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

Adding to 1113331432131 its reverse (1312341333111), we get a palindrome (2425672765242).

The spelling of 1113331432131 in words is "one trillion, one hundred thirteen billion, three hundred thirty-one million, four hundred thirty-two thousand, one hundred thirty-one".