1072305331 has 8 divisors (see below), whose sum is σ = 1079859200. Its totient is φ = 1064773512.

The previous prime is 1072305317. The next prime is 1072305361. The reversal of 1072305331 is 1335032701.

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

It is a cyclic number.

It is not a de Polignac number, because 1072305331 - 2⁷ = 1072305203 is a prime.

It is a super-2 number, since 2×1072305331² = 2299677445782039122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1072305296 and 1072305305.

It is not an unprimeable number, because it can be changed into a prime (1072305301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98926 + ... + 109228.

It is an arithmetic number, because the mean of its divisors is an integer number (134982400).

Almost surely, 2^1072305331 is an apocalyptic number.

1072305331 is a deficient number, since it is larger than the sum of its proper divisors (7553869).

1072305331 is a wasteful number, since it uses less digits than its factorization.

1072305331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025.

The product of its (nonzero) digits is 1890, while the sum is 25.

The square root of 1072305331 is about 32746.0735203474. The cubic root of 1072305331 is about 1023.5431473811.

The spelling of 1072305331 in words is "one billion, seventy-two million, three hundred five thousand, three hundred thirty-one".