1240113204331 has 16 divisors (see below), whose sum is σ = 1253925751680. Its totient is φ = 1226373917760.

The previous prime is 1240113204311. The next prime is 1240113204371. The reversal of 1240113204331 is 1334023110421.

It is a cyclic number.

It is not a de Polignac number, because 1240113204331 - 2¹⁹ = 1240112680043 is a prime.

It is a super-2 number, since 2×1240113204331² (a number of 25 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 = 1240113204296 and 1240113204305.

It is not an unprimeable number, because it can be changed into a prime (1240113204311) 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, 152662836 + ... + 152670958.

It is an arithmetic number, because the mean of its divisors is an integer number (78370359480).

Almost surely, 2^{1240113204331} is an apocalyptic number.

1240113204331 is a deficient number, since it is larger than the sum of its proper divisors (13812547349).

1240113204331 is a wasteful number, since it uses less digits than its factorization.

1240113204331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12426.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1240113204331 its reverse (1334023110421), we get a palindrome (2574136314752).

The spelling of 1240113204331 in words is "one trillion, two hundred forty billion, one hundred thirteen million, two hundred four thousand, three hundred thirty-one".