1146053431 has 4 divisors (see below), whose sum is σ = 1146654432. Its totient is φ = 1145452432.

The previous prime is 1146053423. The next prime is 1146053507. The reversal of 1146053431 is 1343506411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1343506411 = 13 ⋅103346647.

It is a cyclic number.

It is not a de Polignac number, because 1146053431 - 2³ = 1146053423 is a prime.

It is a super-2 number, since 2×1146053431² = 2626876933413743522, 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 1146053431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146053401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297631 + ... + 301456.

It is an arithmetic number, because the mean of its divisors is an integer number (286663608).

Almost surely, 2^1146053431 is an apocalyptic number.

1146053431 is a deficient number, since it is larger than the sum of its proper divisors (601001).

1146053431 is an equidigital number, since it uses as much as digits as its factorization.

1146053431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601000.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1146053431 is about 33853.4109212056. The cubic root of 1146053431 is about 1046.4896928641.

Adding to 1146053431 its reverse (1343506411), we get a palindrome (2489559842).

The spelling of 1146053431 in words is "one billion, one hundred forty-six million, fifty-three thousand, four hundred thirty-one".