1042040231 has 16 divisors (see below), whose sum is σ = 1125101568. Its totient is φ = 962280000.

The previous prime is 1042040227. The next prime is 1042040249. The reversal of 1042040231 is 1320402401.

It is a cyclic number.

It is not a de Polignac number, because 1042040231 - 2² = 1042040227 is a prime.

It is a super-2 number, since 2×1042040231² = 2171695686045066722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042040201) 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, 345731 + ... + 348731.

It is an arithmetic number, because the mean of its divisors is an integer number (70318848).

Almost surely, 2^1042040231 is an apocalyptic number.

1042040231 is a deficient number, since it is larger than the sum of its proper divisors (83061337).

1042040231 is a wasteful number, since it uses less digits than its factorization.

1042040231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1042040231 is about 32280.6479333981. The cubic root of 1042040231 is about 1013.8214964452.

Adding to 1042040231 its reverse (1320402401), we get a palindrome (2362442632).

The spelling of 1042040231 in words is "one billion, forty-two million, forty thousand, two hundred thirty-one".