10320431142 has 32 divisors (see below), whose sum is σ = 23597229312. Its totient is φ = 2947735584.

The previous prime is 10320431113. The next prime is 10320431159. The reversal of 10320431142 is 24113402301.

It is a super-2 number, since 2×10320431142² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 96168 + ... + 172884.

It is an arithmetic number, because the mean of its divisors is an integer number (737413416).

Almost surely, 2^10320431142 is an apocalyptic number.

10320431142 is an abundant number, since it is smaller than the sum of its proper divisors (13276798170).

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

10320431142 is a wasteful number, since it uses less digits than its factorization.

10320431142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79932.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10320431142 its reverse (24113402301), we get a palindrome (34433833443).

The spelling of 10320431142 in words is "ten billion, three hundred twenty million, four hundred thirty-one thousand, one hundred forty-two".