140431302220331 has 4 divisors (see below), whose sum is σ = 143856455933064. Its totient is φ = 137006148507600.

The previous prime is 140431302220303. The next prime is 140431302220333. The reversal of 140431302220331 is 133022203134041.

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 140431302220331 - 2²² = 140431298026027 is a prime.

It is a super-2 number, since 2×140431302220331² (a number of 29 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 = 140431302220294 and 140431302220303.

It is not an unprimeable number, because it can be changed into a prime (140431302220333) 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, 1712576856305 + ... + 1712576856386.

It is an arithmetic number, because the mean of its divisors is an integer number (35964113983266).

Almost surely, 2^{140431302220331} is an apocalyptic number.

140431302220331 is a deficient number, since it is larger than the sum of its proper divisors (3425153712733).

140431302220331 is an equidigital number, since it uses as much as digits as its factorization.

140431302220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425153712732.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 140431302220331 its reverse (133022203134041), we get a palindrome (273453505354372).

The spelling of 140431302220331 in words is "one hundred forty trillion, four hundred thirty-one billion, three hundred two million, two hundred twenty thousand, three hundred thirty-one".