1131514401 has 4 divisors (see below), whose sum is σ = 1508685872. Its totient is φ = 754342932.

The previous prime is 1131514399. The next prime is 1131514403. The reversal of 1131514401 is 1044151311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1131514399) and next prime (1131514403).

It is not a de Polignac number, because 1131514401 - 2¹ = 1131514399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131514403) 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, 188585731 + ... + 188585736.

It is an arithmetic number, because the mean of its divisors is an integer number (377171468).

Almost surely, 2^1131514401 is an apocalyptic number.

It is an amenable number.

1131514401 is a deficient number, since it is larger than the sum of its proper divisors (377171471).

1131514401 is an equidigital number, since it uses as much as digits as its factorization.

1131514401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377171470.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1131514401 is about 33637.9904423555. The cubic root of 1131514401 is about 1042.0455306186.

Adding to 1131514401 its reverse (1044151311), we get a palindrome (2175665712).

The spelling of 1131514401 in words is "one billion, one hundred thirty-one million, five hundred fourteen thousand, four hundred one".