40142302331 has 8 divisors (see below), whose sum is σ = 40313210880. Its totient is φ = 39971757672.

The previous prime is 40142302301. The next prime is 40142302337. The reversal of 40142302331 is 13320324104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40142302331 - 2²² = 40138108027 is a prime.

It is a super-2 number, since 2×40142302331² (a number of 22 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 = 40142302297 and 40142302306.

It is not an unprimeable number, because it can be changed into a prime (40142302337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131276 + ... + 312278.

It is an arithmetic number, because the mean of its divisors is an integer number (5039151360).

Almost surely, 2^40142302331 is an apocalyptic number.

40142302331 is a deficient number, since it is larger than the sum of its proper divisors (170908549).

40142302331 is a wasteful number, since it uses less digits than its factorization.

40142302331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181945.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 40142302331 its reverse (13320324104), we get a palindrome (53462626435).

The spelling of 40142302331 in words is "forty billion, one hundred forty-two million, three hundred two thousand, three hundred thirty-one".