1031961604 has 24 divisors (see below), whose sum is σ = 1892027648. Its totient is φ = 491879520.

The previous prime is 1031961577. The next prime is 1031961613. The reversal of 1031961604 is 4061691301.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53799 + ... + 70414.

Almost surely, 2^1031961604 is an apocalyptic number.

It is an amenable number.

1031961604 is a deficient number, since it is larger than the sum of its proper divisors (860066044).

1031961604 is a wasteful number, since it uses less digits than its factorization.

1031961604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124315 (or 124313 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1031961604 is about 32124.1591952225. The cubic root of 1031961604 is about 1010.5423365780.

The spelling of 1031961604 in words is "one billion, thirty-one million, nine hundred sixty-one thousand, six hundred four".