140433531331 has 16 divisors (see below), whose sum is σ = 144245767680. Its totient is φ = 136675002240.

The previous prime is 140433531281. The next prime is 140433531347. The reversal of 140433531331 is 133135334041.

It is a cyclic number.

It is not a de Polignac number, because 140433531331 - 2⁹ = 140433530819 is a prime.

It is a super-2 number, since 2×140433531331² (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 = 140433531293 and 140433531302.

It is not an unprimeable number, because it can be changed into a prime (140433535331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7669435 + ... + 7687723.

It is an arithmetic number, because the mean of its divisors is an integer number (9015360480).

Almost surely, 2^140433531331 is an apocalyptic number.

140433531331 is a deficient number, since it is larger than the sum of its proper divisors (3812236349).

140433531331 is a wasteful number, since it uses less digits than its factorization.

140433531331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 140433531331 its reverse (133135334041), we get a palindrome (273568865372).

The spelling of 140433531331 in words is "one hundred forty billion, four hundred thirty-three million, five hundred thirty-one thousand, three hundred thirty-one".