131011511310 has 48 divisors (see below), whose sum is σ = 346403332080. Its totient is φ = 34344259200.

The previous prime is 131011511303. The next prime is 131011511311. The reversal of 131011511310 is 13115110131.

131011511310 is a `hidden beast` number, since 131 + 0 + 11 + 511 + 3 + 10 = 666.

It is a super-2 number, since 2×131011511310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131011511311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12330991 + ... + 12341610.

It is an arithmetic number, because the mean of its divisors is an integer number (7216736085).

Almost surely, 2^131011511310 is an apocalyptic number.

131011511310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131011511310 is an abundant number, since it is smaller than the sum of its proper divisors (215391820770).

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

131011511310 is a wasteful number, since it uses less digits than its factorization.

131011511310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24672673 (or 24672670 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 18.

Adding to 131011511310 its reverse (13115110131), we get a palindrome (144126621441).

The spelling of 131011511310 in words is "one hundred thirty-one billion, eleven million, five hundred eleven thousand, three hundred ten".