1061451331 has 2 divisors, whose sum is σ = 1061451332. Its totient is φ = 1061451330.

The previous prime is 1061451323. The next prime is 1061451353. The reversal of 1061451331 is 1331541601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1061451331 - 2³ = 1061451323 is a prime.

It is a super-2 number, since 2×1061451331² = 2253357856163343122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061451296 and 1061451305.

It is not a weakly prime, because it can be changed into another prime (1061451371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530725665 + 530725666.

It is an arithmetic number, because the mean of its divisors is an integer number (530725666).

Almost surely, 2^1061451331 is an apocalyptic number.

1061451331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061451331 is an equidigital number, since it uses as much as digits as its factorization.

1061451331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1061451331 is about 32579.9222067825. The cubic root of 1061451331 is about 1020.0779547623.

Adding to 1061451331 its reverse (1331541601), we get a palindrome (2392992932).

The spelling of 1061451331 in words is "one billion, sixty-one million, four hundred fifty-one thousand, three hundred thirty-one".