215353345201431 has 16 divisors (see below), whose sum is σ = 312672733507200. Its totient is φ = 131322548071008.

The previous prime is 215353345201387. The next prime is 215353345201493. The reversal of 215353345201431 is 134102543353512.

It is not a de Polignac number, because 215353345201431 - 2⁹ = 215353345200919 is a prime.

It is a super-2 number, since 2×215353345201431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215353345203431) 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, 65140151161 + ... + 65140154466.

It is an arithmetic number, because the mean of its divisors is an integer number (19542045844200).

Almost surely, 2^{215353345201431} is an apocalyptic number.

215353345201431 is a deficient number, since it is larger than the sum of its proper divisors (97319388305769).

215353345201431 is a wasteful number, since it uses less digits than its factorization.

215353345201431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130280305678.

The product of its (nonzero) digits is 648000, while the sum is 42.

Adding to 215353345201431 its reverse (134102543353512), we get a palindrome (349455888554943).

The spelling of 215353345201431 in words is "two hundred fifteen trillion, three hundred fifty-three billion, three hundred forty-five million, two hundred one thousand, four hundred thirty-one".