4240161031 has 4 divisors (see below), whose sum is σ = 4242028752. Its totient is φ = 4238293312.

The previous prime is 4240161007. The next prime is 4240161043. The reversal of 4240161031 is 1301610424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4240161031 is a prime.

It is a super-2 number, since 2×4240161031² = 35957931137621965922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4240160993 and 4240161011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240161061) 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, 930451 + ... + 934996.

It is an arithmetic number, because the mean of its divisors is an integer number (1060507188).

Almost surely, 2^4240161031 is an apocalyptic number.

4240161031 is a deficient number, since it is larger than the sum of its proper divisors (1867721).

4240161031 is a wasteful number, since it uses less digits than its factorization.

4240161031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867720.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4240161031 is about 65116.5188796207. The cubic root of 4240161031 is about 1618.5549567658.

Adding to 4240161031 its reverse (1301610424), we get a palindrome (5541771455).

The spelling of 4240161031 in words is "four billion, two hundred forty million, one hundred sixty-one thousand, thirty-one".