1230541331 has 4 divisors (see below), whose sum is σ = 1284043152. Its totient is φ = 1177039512.

The previous prime is 1230541303. The next prime is 1230541393. The reversal of 1230541331 is 1331450321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1331450321 = 33937 ⋅39233.

It is a cyclic number.

It is not a de Polignac number, because 1230541331 - 2⁶ = 1230541267 is a prime.

It is a super-2 number, since 2×1230541331² = 3028463934598503122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 53501797 = 1230541331 / (1 + 2 + 3 + 0 + 5 + 4 + 1 + 3 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230541297 and 1230541306.

It is not an unprimeable number, because it can be changed into a prime (1230541231) 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, 26750876 + ... + 26750921.

It is an arithmetic number, because the mean of its divisors is an integer number (321010788).

Almost surely, 2^1230541331 is an apocalyptic number.

1230541331 is a deficient number, since it is larger than the sum of its proper divisors (53501821).

1230541331 is an equidigital number, since it uses as much as digits as its factorization.

1230541331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53501820.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1230541331 is about 35079.0725504538. The cubic root of 1230541331 is about 1071.5984293945.

Adding to 1230541331 its reverse (1331450321), we get a palindrome (2561991652).

The spelling of 1230541331 in words is "one billion, two hundred thirty million, five hundred forty-one thousand, three hundred thirty-one".