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1040315431 is a prime number
BaseRepresentation
bin111110000000011…
…111010000100111
32200111112111111011
4332000133100213
54112310043211
6251121323051
734531351411
oct7600372047
92614474434
101040315431
1149425a421
12250496487
131376b447c
149c2439b1
15614e6921
hex3e01f427

1040315431 has 2 divisors, whose sum is σ = 1040315432. Its totient is φ = 1040315430.

The previous prime is 1040315377. The next prime is 1040315473. The reversal of 1040315431 is 1345130401.

1040315431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1040315431 is a prime.

It is a super-2 number, since 2×10403154312 = 2164512391953431522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040315491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520157715 + 520157716.

It is an arithmetic number, because the mean of its divisors is an integer number (520157716).

Almost surely, 21040315431 is an apocalyptic number.

1040315431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040315431 is an equidigital number, since it uses as much as digits as its factorization.

1040315431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1040315431 is about 32253.9211724714. The cubic root of 1040315431 is about 1013.2618235573.

Adding to 1040315431 its reverse (1345130401), we get a palindrome (2385445832).

The spelling of 1040315431 in words is "one billion, forty million, three hundred fifteen thousand, four hundred thirty-one".