1230077331 has 36 divisors (see below), whose sum is σ = 2069613000. Its totient is φ = 701967168.

The previous prime is 1230077327. The next prime is 1230077333. The reversal of 1230077331 is 1337700321.

It is not a de Polignac number, because 1230077331 - 2² = 1230077327 is a prime.

It is a super-2 number, since 2×1230077331² = 3026180480480167122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1230077295 and 1230077304.

It is not an unprimeable number, because it can be changed into a prime (1230077333) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 461280 + ... + 463938.

It is an arithmetic number, because the mean of its divisors is an integer number (57489250).

Almost surely, 2^1230077331 is an apocalyptic number.

1230077331 is a deficient number, since it is larger than the sum of its proper divisors (839535669).

1230077331 is a wasteful number, since it uses less digits than its factorization.

1230077331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3718 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 1230077331 is about 35072.4582970741. The cubic root of 1230077331 is about 1071.4637233191.

Adding to 1230077331 its reverse (1337700321), we get a palindrome (2567777652).

The spelling of 1230077331 in words is "one billion, two hundred thirty million, seventy-seven thousand, three hundred thirty-one".