1233144131 has 8 divisors (see below), whose sum is σ = 1245460944. Its totient is φ = 1220888160.

The previous prime is 1233144127. The next prime is 1233144193. The reversal of 1233144131 is 1314413321.

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 1233144131 - 2² = 1233144127 is a prime.

It is a super-2 number, since 2×1233144131² = 3041288895639490322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1233144097 and 1233144106.

It is not an unprimeable number, because it can be changed into a prime (1233149131) 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, 26081 + ... + 56093.

It is an arithmetic number, because the mean of its divisors is an integer number (155682618).

Almost surely, 2^1233144131 is an apocalyptic number.

1233144131 is a deficient number, since it is larger than the sum of its proper divisors (12316813).

1233144131 is a wasteful number, since it uses less digits than its factorization.

1233144131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30421.

The product of its digits is 864, while the sum is 23.

The square root of 1233144131 is about 35116.1519959121. The cubic root of 1233144131 is about 1072.3534337489.

Adding to 1233144131 its reverse (1314413321), we get a palindrome (2547557452).

The spelling of 1233144131 in words is "one billion, two hundred thirty-three million, one hundred forty-four thousand, one hundred thirty-one".