1231301302 has 96 divisors (see below), whose sum is σ = 2431275264. Its totient is φ = 462168000.

The previous prime is 1231301273. The next prime is 1231301303. The reversal of 1231301302 is 2031031321.

It is a super-2 number, since 2×1231301302² = 3032205792613790408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231301303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4681623 + ... + 4681885.

It is an arithmetic number, because the mean of its divisors is an integer number (25325784).

Almost surely, 2^1231301302 is an apocalyptic number.

1231301302 is a deficient number, since it is larger than the sum of its proper divisors (1199973962).

1231301302 is a wasteful number, since it uses less digits than its factorization.

1231301302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1231301302 is about 35089.9031346625. The cubic root of 1231301302 is about 1071.8189871049.

Adding to 1231301302 its reverse (2031031321), we get a palindrome (3262332623).

The spelling of 1231301302 in words is "one billion, two hundred thirty-one million, three hundred one thousand, three hundred two".