1031424399 has 6 divisors (see below), whose sum is σ = 1489835256. Its totient is φ = 687616260.

The previous prime is 1031424389. The next prime is 1031424409. The reversal of 1031424399 is 9934241301.

1031424399 is a `hidden beast` number, since 10 + 314 + 243 + 99 = 666.

It is an interprime number because it is at equal distance from previous prime (1031424389) and next prime (1031424409).

It is not a de Polignac number, because 1031424399 - 2¹⁷ = 1031293327 is a prime.

It is a super-2 number, since 2×1031424399² = 2127672581705022402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031424379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57301347 + ... + 57301364.

It is an arithmetic number, because the mean of its divisors is an integer number (248305876).

Almost surely, 2^1031424399 is an apocalyptic number.

1031424399 is a deficient number, since it is larger than the sum of its proper divisors (458410857).

1031424399 is a wasteful number, since it uses less digits than its factorization.

1031424399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114602717 (or 114602714 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1031424399 is about 32115.7967206171. The cubic root of 1031424399 is about 1010.3669545287.

The spelling of 1031424399 in words is "one billion, thirty-one million, four hundred twenty-four thousand, three hundred ninety-nine".