1151453431 has 8 divisors (see below), whose sum is σ = 1195864560. Its totient is φ = 1107741888.

The previous prime is 1151453399. The next prime is 1151453473. The reversal of 1151453431 is 1343541511.

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 1151453431 - 2⁵ = 1151453399 is a prime.

It is a super-2 number, since 2×1151453431² = 2651690007523343522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151453431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151423431) 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, 171541 + ... + 178126.

It is an arithmetic number, because the mean of its divisors is an integer number (149483070).

Almost surely, 2^1151453431 is an apocalyptic number.

1151453431 is a deficient number, since it is larger than the sum of its proper divisors (44411129).

1151453431 is an equidigital number, since it uses as much as digits as its factorization.

1151453431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349793.

The product of its digits is 3600, while the sum is 28.

The square root of 1151453431 is about 33933.0728198906. The cubic root of 1151453431 is about 1048.1307425678.

Adding to 1151453431 its reverse (1343541511), we get a palindrome (2494994942).

The spelling of 1151453431 in words is "one billion, one hundred fifty-one million, four hundred fifty-three thousand, four hundred thirty-one".