140213402323431 has 8 divisors (see below), whose sum is σ = 187182292350960. Its totient is φ = 93360056922432.

The previous prime is 140213402323427. The next prime is 140213402323471. The reversal of 140213402323431 is 134323204312041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140213402323431 - 2² = 140213402323427 is a prime.

It is a super-2 number, since 2×140213402323431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140213402323392 and 140213402323401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140213402323411) 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, 28886153800 + ... + 28886158653.

It is an arithmetic number, because the mean of its divisors is an integer number (23397786543870).

Almost surely, 2^{140213402323431} is an apocalyptic number.

140213402323431 is a deficient number, since it is larger than the sum of its proper divisors (46968890027529).

140213402323431 is an equidigital number, since it uses as much as digits as its factorization.

140213402323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57772313265.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 140213402323431 its reverse (134323204312041), we get a palindrome (274536606635472).

The spelling of 140213402323431 in words is "one hundred forty trillion, two hundred thirteen billion, four hundred two million, three hundred twenty-three thousand, four hundred thirty-one".