1311202012030 has 16 divisors (see below), whose sum is σ = 2361582872064. Its totient is φ = 524165415840.

The previous prime is 1311202011953. The next prime is 1311202012033. The reversal of 1311202012030 is 302102021131.

It is a junction number, because it is equal to n+sod(n) for n = 1311202011995 and 1311202012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311202012033) 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, 39406161 + ... + 39439420.

It is an arithmetic number, because the mean of its divisors is an integer number (147598929504).

Almost surely, 2^{1311202012030} is an apocalyptic number.

1311202012030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311202012030 is a deficient number, since it is larger than the sum of its proper divisors (1050380860034).

1311202012030 is a wasteful number, since it uses less digits than its factorization.

1311202012030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78847251.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1311202012030 its reverse (302102021131), we get a palindrome (1613304033161).

The spelling of 1311202012030 in words is "one trillion, three hundred eleven billion, two hundred two million, twelve thousand, thirty".