1031617442 has 8 divisors (see below), whose sum is σ = 1597343232. Its totient is φ = 499169700.

The previous prime is 1031617427. The next prime is 1031617451. The reversal of 1031617442 is 2447161301.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8319434 + ... + 8319557.

It is an arithmetic number, because the mean of its divisors is an integer number (199667904).

Almost surely, 2^1031617442 is an apocalyptic number.

1031617442 is a deficient number, since it is larger than the sum of its proper divisors (565725790).

1031617442 is a wasteful number, since it uses less digits than its factorization.

1031617442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16639024.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1031617442 is about 32118.8020013200. The cubic root of 1031617442 is about 1010.4299845485.

Adding to 1031617442 its reverse (2447161301), we get a palindrome (3478778743).

The spelling of 1031617442 in words is "one billion, thirty-one million, six hundred seventeen thousand, four hundred forty-two".