1311252131110 has 32 divisors (see below), whose sum is σ = 2414343720960. Its totient is φ = 512604160992.

The previous prime is 1311252131047. The next prime is 1311252131173. The reversal of 1311252131110 is 111312521131.

It is an interprime number because it is at equal distance from previous prime (1311252131047) and next prime (1311252131173).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7620000 + ... + 7790179.

It is an arithmetic number, because the mean of its divisors is an integer number (75448241280).

Almost surely, 2^{1311252131110} is an apocalyptic number.

1311252131110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311252131110 is a deficient number, since it is larger than the sum of its proper divisors (1103091589850).

1311252131110 is a wasteful number, since it uses less digits than its factorization.

1311252131110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15410380.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 1311252131110 its reverse (111312521131), we get a palindrome (1422564652241).

The spelling of 1311252131110 in words is "one trillion, three hundred eleven billion, two hundred fifty-two million, one hundred thirty-one thousand, one hundred ten".