140213431314231 has 64 divisors (see below), whose sum is σ = 215821028192256. Its totient is φ = 80141855270400.

The previous prime is 140213431314221. The next prime is 140213431314241. The reversal of 140213431314231 is 132413134312041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (140213431314221) and next prime (140213431314241).

It is not a de Polignac number, because 140213431314231 - 2²³ = 140213422925623 is a prime.

It is a super-2 number, since 2×140213431314231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 140213431314192 and 140213431314201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140213431314221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13044735 + ... + 21227151.

It is an arithmetic number, because the mean of its divisors is an integer number (3372203565504).

Almost surely, 2^{140213431314231} is an apocalyptic number.

140213431314231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140213431314231 is a deficient number, since it is larger than the sum of its proper divisors (75607596878025).

140213431314231 is a wasteful number, since it uses less digits than its factorization.

140213431314231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182772.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 140213431314231 its reverse (132413134312041), we get a palindrome (272626565626272).

The spelling of 140213431314231 in words is "one hundred forty trillion, two hundred thirteen billion, four hundred thirty-one million, three hundred fourteen thousand, two hundred thirty-one".