11311311300131 has 16 divisors (see below), whose sum is σ = 11702448130464. Its totient is φ = 10926918123264.

The previous prime is 11311311300127. The next prime is 11311311300137. The reversal of 11311311300131 is 13100311311311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11311311300131 - 2² = 11311311300127 is a prime.

It is a super-2 number, since 2×11311311300131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311311300137) 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, 6514415 + ... + 8065991.

It is an arithmetic number, because the mean of its divisors is an integer number (731403008154).

Almost surely, 2^{11311311300131} is an apocalyptic number.

11311311300131 is a deficient number, since it is larger than the sum of its proper divisors (391136830333).

11311311300131 is a wasteful number, since it uses less digits than its factorization.

11311311300131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553750.

The product of its (nonzero) digits is 81, while the sum is 20.

Adding to 11311311300131 its reverse (13100311311311), we get a palindrome (24411622611442).

The spelling of 11311311300131 in words is "eleven trillion, three hundred eleven billion, three hundred eleven million, three hundred thousand, one hundred thirty-one".