1311131021030 has 16 divisors (see below), whose sum is σ = 2366466459840. Its totient is φ = 523023381312.

The previous prime is 1311131021023. The next prime is 1311131021033. The reversal of 1311131021030 is 301201311131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311131021033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178624535 + ... + 178631874.

It is an arithmetic number, because the mean of its divisors is an integer number (147904153740).

Almost surely, 2^{1311131021030} is an apocalyptic number.

1311131021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311131021030 is a deficient number, since it is larger than the sum of its proper divisors (1055335438810).

1311131021030 is a wasteful number, since it uses less digits than its factorization.

1311131021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357256783.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1311131021030 its reverse (301201311131), we get a palindrome (1612332332161).

The spelling of 1311131021030 in words is "one trillion, three hundred eleven billion, one hundred thirty-one million, twenty-one thousand, thirty".