140431030231424 has 32 divisors (see below), whose sum is σ = 279775792800840. Its totient is φ = 70212792038400.

The previous prime is 140431030231423. The next prime is 140431030231439. The reversal of 140431030231424 is 424132030134041.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140431030231423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17958614 + ... + 24563669.

Almost surely, 2^{140431030231424} is an apocalyptic number.

It is an amenable number.

140431030231424 is a deficient number, since it is larger than the sum of its proper divisors (139344762569416).

140431030231424 is an equidigital number, since it uses as much as digits as its factorization.

140431030231424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42548098 (or 42548086 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 140431030231424 its reverse (424132030134041), we get a palindrome (564563060365465).

The spelling of 140431030231424 in words is "one hundred forty trillion, four hundred thirty-one billion, thirty million, two hundred thirty-one thousand, four hundred twenty-four".