240013111031 has 4 divisors (see below), whose sum is σ = 241739824200. Its totient is φ = 238286397864.

The previous prime is 240013111021. The next prime is 240013111033. The reversal of 240013111031 is 130111310042.

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 240013111031 - 2³⁴ = 222833241847 is a prime.

It is a super-2 number, since 2×240013111031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240013111033) 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, 863356376 + ... + 863356653.

It is an arithmetic number, because the mean of its divisors is an integer number (60434956050).

Almost surely, 2^240013111031 is an apocalyptic number.

240013111031 is a deficient number, since it is larger than the sum of its proper divisors (1726713169).

240013111031 is a wasteful number, since it uses less digits than its factorization.

240013111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726713168.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 240013111031 its reverse (130111310042), we get a palindrome (370124421073).

The spelling of 240013111031 in words is "two hundred forty billion, thirteen million, one hundred eleven thousand, thirty-one".