1120731431 has 2 divisors, whose sum is σ = 1120731432. Its totient is φ = 1120731430.

The previous prime is 1120731329. The next prime is 1120731457. The reversal of 1120731431 is 1341370211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1341370211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120731431 - 2²² = 1116537127 is a prime.

It is a super-2 number, since 2×1120731431² = 2512077880862615522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120731397 and 1120731406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120733431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560365715 + 560365716.

It is an arithmetic number, because the mean of its divisors is an integer number (560365716).

Almost surely, 2^1120731431 is an apocalyptic number.

1120731431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120731431 is an equidigital number, since it uses as much as digits as its factorization.

1120731431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1120731431 is about 33477.3271185141. The cubic root of 1120731431 is about 1038.7248396967.

The spelling of 1120731431 in words is "one billion, one hundred twenty million, seven hundred thirty-one thousand, four hundred thirty-one".