210131451231 has 16 divisors (see below), whose sum is σ = 304656608256. Its totient is φ = 128056206816.

The previous prime is 210131451209. The next prime is 210131451247. The reversal of 210131451231 is 132154131012.

It is not a de Polignac number, because 210131451231 - 2¹⁴ = 210131434847 is a prime.

It is a super-2 number, since 2×210131451231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131451731) 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, 26151255 + ... + 26159288.

It is an arithmetic number, because the mean of its divisors is an integer number (19041038016).

Almost surely, 2^210131451231 is an apocalyptic number.

210131451231 is a deficient number, since it is larger than the sum of its proper divisors (94525157025).

210131451231 is a wasteful number, since it uses less digits than its factorization.

210131451231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52310662.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 210131451231 its reverse (132154131012), we get a palindrome (342285582243).

The spelling of 210131451231 in words is "two hundred ten billion, one hundred thirty-one million, four hundred fifty-one thousand, two hundred thirty-one".