1311121014 has 16 divisors (see below), whose sum is σ = 2996848128. Its totient is φ = 374605992.

The previous prime is 1311120983. The next prime is 1311121027. The reversal of 1311121014 is 4101211131.

It is a junction number, because it is equal to n+sod(n) for n = 1311120984 and 1311121002.

It is a congruent number.

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, 15608542 + ... + 15608625.

It is an arithmetic number, because the mean of its divisors is an integer number (187303008).

Almost surely, 2^1311121014 is an apocalyptic number.

1311121014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1311121014 is an abundant number, since it is smaller than the sum of its proper divisors (1685727114).

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

1311121014 is a wasteful number, since it uses less digits than its factorization.

1311121014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31217179.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1311121014 is about 36209.4050489648. The cubic root of 1311121014 is about 1094.4962032647.

Adding to 1311121014 its reverse (4101211131), we get a palindrome (5412332145).

The spelling of 1311121014 in words is "one billion, three hundred eleven million, one hundred twenty-one thousand, fourteen".