1042317381 has 32 divisors (see below), whose sum is σ = 1661257728. Its totient is φ = 568370880.

The previous prime is 1042317373. The next prime is 1042317383. The reversal of 1042317381 is 1837132401.

It is not a de Polignac number, because 1042317381 - 2³ = 1042317373 is a prime.

It is a super-2 number, since 2×1042317381² = 2172851045469398322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042317383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223251 + ... + 227871.

It is an arithmetic number, because the mean of its divisors is an integer number (51914304).

Almost surely, 2^1042317381 is an apocalyptic number.

It is an amenable number.

1042317381 is a deficient number, since it is larger than the sum of its proper divisors (618940347).

1042317381 is a wasteful number, since it uses less digits than its factorization.

1042317381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5121.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1042317381 is about 32284.9404676546. The cubic root of 1042317381 is about 1013.9113700452.

Adding to 1042317381 its reverse (1837132401), we get a palindrome (2879449782).

The spelling of 1042317381 in words is "one billion, forty-two million, three hundred seventeen thousand, three hundred eighty-one".