16120240331 has 8 divisors (see below), whose sum is σ = 17361287664. Its totient is φ = 14879340000.

The previous prime is 16120240321. The next prime is 16120240333. The reversal of 16120240331 is 13304202161.

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 16120240331 - 2³⁰ = 15046498507 is a prime.

It is a super-2 number, since 2×16120240331² (a number of 21 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 = 16120240297 and 16120240306.

It is not an unprimeable number, because it can be changed into a prime (16120240333) 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, 317645 + ... + 364881.

It is an arithmetic number, because the mean of its divisors is an integer number (2170160958).

Almost surely, 2^16120240331 is an apocalyptic number.

16120240331 is a deficient number, since it is larger than the sum of its proper divisors (1241047333).

16120240331 is a wasteful number, since it uses less digits than its factorization.

16120240331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73501.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 16120240331 its reverse (13304202161), we get a palindrome (29424442492).

The spelling of 16120240331 in words is "sixteen billion, one hundred twenty million, two hundred forty thousand, three hundred thirty-one".