131202230 has 16 divisors (see below), whose sum is σ = 243782784. Its totient is φ = 50787840.

The previous prime is 131202187. The next prime is 131202263. The reversal of 131202230 is 32202131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211307 + ... + 211926.

It is an arithmetic number, because the mean of its divisors is an integer number (15236424).

Almost surely, 2^131202230 is an apocalyptic number.

131202230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131202230 is a deficient number, since it is larger than the sum of its proper divisors (112580554).

131202230 is a wasteful number, since it uses less digits than its factorization.

131202230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423271.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 131202230 is about 11454.3541939299. The cubic root of 131202230 is about 508.1365160002.

Adding to 131202230 its reverse (32202131), we get a palindrome (163404361).

Subtracting from 131202230 its reverse (32202131), we obtain a palindrome (99000099).

The spelling of 131202230 in words is "one hundred thirty-one million, two hundred two thousand, two hundred thirty".