42453391131 has 24 divisors (see below), whose sum is σ = 63453780000. Its totient is φ = 27318705792.

The previous prime is 42453391121. The next prime is 42453391139. The reversal of 42453391131 is 13119335424.

42453391131 is a `hidden beast` number, since 4 + 2 + 4 + 533 + 9 + 113 + 1 = 666.

It is not a de Polignac number, because 42453391131 - 2⁶ = 42453391067 is a prime.

It is a super-2 number, since 2×42453391131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42453391139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1004770 + ... + 1046168.

It is an arithmetic number, because the mean of its divisors is an integer number (2643907500).

Almost surely, 2^42453391131 is an apocalyptic number.

42453391131 is a deficient number, since it is larger than the sum of its proper divisors (21000388869).

42453391131 is a wasteful number, since it uses less digits than its factorization.

42453391131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45363 (or 45360 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The spelling of 42453391131 in words is "forty-two billion, four hundred fifty-three million, three hundred ninety-one thousand, one hundred thirty-one".