1042340131 has 8 divisors (see below), whose sum is σ = 1191636224. Its totient is φ = 893141640.

The previous prime is 1042340119. The next prime is 1042340153. The reversal of 1042340131 is 1310432401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042340131 - 2⁷ = 1042340003 is a prime.

It is a super-2 number, since 2×1042340131² = 2172945897386194322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042340099 and 1042340108.

It is not an unprimeable number, because it can be changed into a prime (1042340161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136 + ... + 45658.

It is an arithmetic number, because the mean of its divisors is an integer number (148954528).

Almost surely, 2^1042340131 is an apocalyptic number.

1042340131 is a deficient number, since it is larger than the sum of its proper divisors (149296093).

1042340131 is an equidigital number, since it uses as much as digits as its factorization.

1042340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48801.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1042340131 is about 32285.2927971855. The cubic root of 1042340131 is about 1013.9187466582.

Adding to 1042340131 its reverse (1310432401), we get a palindrome (2352772532).

The spelling of 1042340131 in words is "one billion, forty-two million, three hundred forty thousand, one hundred thirty-one".