1301130312 has 32 divisors (see below), whose sum is σ = 3261211200. Its totient is φ = 432592064.

The previous prime is 1301130289. The next prime is 1301130323. The reversal of 1301130312 is 2130311031.

It is a super-3 number, since 3×1301130312³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1301130291 and 1301130300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60348 + ... + 79019.

It is an arithmetic number, because the mean of its divisors is an integer number (101912850).

Almost surely, 2^1301130312 is an apocalyptic number.

1301130312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1301130312 is an abundant number, since it is smaller than the sum of its proper divisors (1960080888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301130312 is a wasteful number, since it uses less digits than its factorization.

1301130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139765 (or 139761 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1301130312 is about 36071.1839561720. The cubic root of 1301130312 is about 1091.7091028340.

Adding to 1301130312 its reverse (2130311031), we get a palindrome (3431441343).

The spelling of 1301130312 in words is "one billion, three hundred one million, one hundred thirty thousand, three hundred twelve".