1311120310 has 32 divisors (see below), whose sum is σ = 2418273792. Its totient is φ = 511536480.

The previous prime is 1311120299. The next prime is 1311120311. The reversal of 1311120310 is 130211131.

It is a super-2 number, since 2×1311120310² = 3438072934588992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311120311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390057 + ... + 393403.

It is an arithmetic number, because the mean of its divisors is an integer number (75571056).

Almost surely, 2^1311120310 is an apocalyptic number.

1311120310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311120310 is a deficient number, since it is larger than the sum of its proper divisors (1107153482).

1311120310 is a wasteful number, since it uses less digits than its factorization.

1311120310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1311120310 is about 36209.3953277323. The cubic root of 1311120310 is about 1094.4960073698.

Adding to 1311120310 its reverse (130211131), we get a palindrome (1441331441).

The spelling of 1311120310 in words is "one billion, three hundred eleven million, one hundred twenty thousand, three hundred ten".