131421520431230 has 16 divisors (see below), whose sum is σ = 236592526180464. Its totient is φ = 52561099416000.

The previous prime is 131421520431211. The next prime is 131421520431233. The reversal of 131421520431230 is 32134025124131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131421520431233) 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, 938521052 + ... + 938661071.

It is an arithmetic number, because the mean of its divisors is an integer number (14787032886279).

Almost surely, 2^{131421520431230} is an apocalyptic number.

131421520431230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131421520431230 is a deficient number, since it is larger than the sum of its proper divisors (105171005749234).

131421520431230 is a wasteful number, since it uses less digits than its factorization.

131421520431230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877189131.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 131421520431230 its reverse (32134025124131), we get a palindrome (163555545555361).

The spelling of 131421520431230 in words is "one hundred thirty-one trillion, four hundred twenty-one billion, five hundred twenty million, four hundred thirty-one thousand, two hundred thirty".