1031242402 has 8 divisors (see below), whose sum is σ = 1547082396. Its totient is φ = 515548272.

The previous prime is 1031242397. The next prime is 1031242403. The reversal of 1031242402 is 2042421301.

It can be written as a sum of positive squares in 2 ways, for example, as 924099201 + 107143201 = 30399^2 + 10351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1031242402.

It is not an unprimeable number, because it can be changed into a prime (1031242403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16633 + ... + 48364.

Almost surely, 2^1031242402 is an apocalyptic number.

1031242402 is a deficient number, since it is larger than the sum of its proper divisors (515839994).

1031242402 is an equidigital number, since it uses as much as digits as its factorization.

1031242402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72932.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1031242402 is about 32112.9631457454. The cubic root of 1031242402 is about 1010.3075239097.

Adding to 1031242402 its reverse (2042421301), we get a palindrome (3073663703).

The spelling of 1031242402 in words is "one billion, thirty-one million, two hundred forty-two thousand, four hundred two".