131311098 has 32 divisors (see below), whose sum is σ = 293569920. Its totient is φ = 43505280.

The previous prime is 131311073. The next prime is 131311099. The reversal of 131311098 is 890113131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131311099) 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, 1738 + ... + 16298.

It is an arithmetic number, because the mean of its divisors is an integer number (9174060).

Almost surely, 2^131311098 is an apocalyptic number.

131311098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

131311098 is an abundant number, since it is smaller than the sum of its proper divisors (162258822).

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

131311098 is a wasteful number, since it uses less digits than its factorization.

131311098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14739 (or 14733 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 131311098 is about 11459.1054624696. The cubic root of 131311098 is about 508.2770230438.

The spelling of 131311098 in words is "one hundred thirty-one million, three hundred eleven thousand, ninety-eight".