140224031031 has 32 divisors (see below), whose sum is σ = 220662489600. Its totient is φ = 79162571712.

The previous prime is 140224031029. The next prime is 140224031033. The reversal of 140224031031 is 130130422041.

It is an interprime number because it is at equal distance from previous prime (140224031029) and next prime (140224031033).

It is not a de Polignac number, because 140224031031 - 2¹ = 140224031029 is a prime.

It is a super-2 number, since 2×140224031031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 140224030989 and 140224031007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140224031033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735510 + ... + 906323.

It is an arithmetic number, because the mean of its divisors is an integer number (6895702800).

Almost surely, 2^140224031031 is an apocalyptic number.

140224031031 is a deficient number, since it is larger than the sum of its proper divisors (80438458569).

140224031031 is an equidigital number, since it uses as much as digits as its factorization.

140224031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641940 (or 1641926 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 140224031031 its reverse (130130422041), we get a palindrome (270354453072).

The spelling of 140224031031 in words is "one hundred forty billion, two hundred twenty-four million, thirty-one thousand, thirty-one".