140441551031 has 4 divisors (see below), whose sum is σ = 140448105000. Its totient is φ = 140434997064.

The previous prime is 140441551021. The next prime is 140441551043. The reversal of 140441551031 is 130155144041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140441551031 - 2⁶ = 140441550967 is a prime.

It is a super-2 number, since 2×140441551031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140441550985 and 140441551003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140441551021) 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, 3244736 + ... + 3287733.

It is an arithmetic number, because the mean of its divisors is an integer number (35112026250).

Almost surely, 2^140441551031 is an apocalyptic number.

140441551031 is a deficient number, since it is larger than the sum of its proper divisors (6553969).

140441551031 is an equidigital number, since it uses as much as digits as its factorization.

140441551031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6553968.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 140441551031 its reverse (130155144041), we get a palindrome (270596695072).

The spelling of 140441551031 in words is "one hundred forty billion, four hundred forty-one million, five hundred fifty-one thousand, thirty-one".