1031439297604 has 27 divisors (see below), whose sum is σ = 1813816249693. Its totient is φ = 513218230928.

The previous prime is 1031439297583. The next prime is 1031439297613. The reversal of 1031439297604 is 4067929341301.

The square root of 1031439297604 is 1015598.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 820346832900 + 211092464704 = 905730^2 + 459448^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 461080374 + ... + 461082610.

Almost surely, 2^{1031439297604} is an apocalyptic number.

1031439297604 is the 1015598-th square number.

It is an amenable number.

1031439297604 is a deficient number, since it is larger than the sum of its proper divisors (782376952089).

1031439297604 is an frugal number, since it uses more digits than its factorization.

1031439297604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932 (or 2466 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

Multiplying 1031439297604 by its sum of digits (49), we get a square (50540525582596 = 7109186²).

The spelling of 1031439297604 in words is "one trillion, thirty-one billion, four hundred thirty-nine million, two hundred ninety-seven thousand, six hundred four".