140323135031 has 8 divisors (see below), whose sum is σ = 144132057744. Its totient is φ = 136515075840.

The previous prime is 140323135019. The next prime is 140323135061. The reversal of 140323135031 is 130531323041.

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

It is a cyclic number.

It is not a de Polignac number, because 140323135031 - 2¹⁸ = 140322872887 is a prime.

It is a super-2 number, since 2×140323135031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140323135061) 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, 120551 + ... + 543303.

It is an arithmetic number, because the mean of its divisors is an integer number (18016507218).

Almost surely, 2^140323135031 is an apocalyptic number.

140323135031 is a deficient number, since it is larger than the sum of its proper divisors (3808922713).

140323135031 is an equidigital number, since it uses as much as digits as its factorization.

140323135031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431761.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 140323135031 its reverse (130531323041), we get a palindrome (270854458072).

The spelling of 140323135031 in words is "one hundred forty billion, three hundred twenty-three million, one hundred thirty-five thousand, thirty-one".