1042321131 has 12 divisors (see below), whose sum is σ = 1517431552. Its totient is φ = 689408496.

The previous prime is 1042321129. The next prime is 1042321157. The reversal of 1042321131 is 1311232401.

1042321131 is a `hidden beast` number, since 1 + 0 + 423 + 211 + 31 = 666.

It is not a de Polignac number, because 1042321131 - 2¹ = 1042321129 is a prime.

It is a super-2 number, since 2×1042321131² = 2172866680258238322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042301131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454816 + ... + 457101.

Almost surely, 2^1042321131 is an apocalyptic number.

1042321131 is a deficient number, since it is larger than the sum of its proper divisors (475110421).

1042321131 is a wasteful number, since it uses less digits than its factorization.

1042321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912050 (or 912047 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1042321131 is about 32284.9985442155. The cubic root of 1042321131 is about 1013.9125859778.

Adding to 1042321131 its reverse (1311232401), we get a palindrome (2353553532).

The spelling of 1042321131 in words is "one billion, forty-two million, three hundred twenty-one thousand, one hundred thirty-one".