1042320232431 has 16 divisors (see below), whose sum is σ = 1549049359200. Its totient is φ = 692688098304.

The previous prime is 1042320232411. The next prime is 1042320232451. The reversal of 1042320232431 is 1342320232401.

1042320232431 is a `hidden beast` number, since 1 + 0 + 4 + 23 + 202 + 3 + 2 + 431 = 666.

It is an interprime number because it is at equal distance from previous prime (1042320232411) and next prime (1042320232451).

It is not a de Polignac number, because 1042320232431 - 2²⁷ = 1042186014703 is a prime.

It is a super-2 number, since 2×1042320232431² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1042320232395 and 1042320232404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042320232411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60881746 + ... + 60898863.

It is an arithmetic number, because the mean of its divisors is an integer number (96815584950).

Almost surely, 2^{1042320232431} is an apocalyptic number.

1042320232431 is a deficient number, since it is larger than the sum of its proper divisors (506729126769).

1042320232431 is a wasteful number, since it uses less digits than its factorization.

1042320232431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121780935 (or 121780929 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 1042320232431 its reverse (1342320232401), we get a palindrome (2384640464832).

The spelling of 1042320232431 in words is "one trillion, forty-two billion, three hundred twenty million, two hundred thirty-two thousand, four hundred thirty-one".