1230113331 has 32 divisors (see below), whose sum is σ = 1840227840. Its totient is φ = 812095200.

The previous prime is 1230113323. The next prime is 1230113399. The reversal of 1230113331 is 1333110321.

It is a happy number.

It is not a de Polignac number, because 1230113331 - 2³ = 1230113323 is a prime.

It is a super-3 number, since 3×1230113331³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1230113431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497901 + ... + 1498721.

It is an arithmetic number, because the mean of its divisors is an integer number (57507120).

Almost surely, 2^1230113331 is an apocalyptic number.

1230113331 is a deficient number, since it is larger than the sum of its proper divisors (610114509).

1230113331 is a wasteful number, since it uses less digits than its factorization.

1230113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1230113331 is about 35072.9715165396. The cubic root of 1230113331 is about 1071.4741758646.

Adding to 1230113331 its reverse (1333110321), we get a palindrome (2563223652).

The spelling of 1230113331 in words is "one billion, two hundred thirty million, one hundred thirteen thousand, three hundred thirty-one".