13311455242 has 16 divisors (see below), whose sum is σ = 21322022400. Its totient is φ = 6218921520.

The previous prime is 13311455221. The next prime is 13311455293. The reversal of 13311455242 is 24255411331.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3699942 + ... + 3703537.

It is an arithmetic number, because the mean of its divisors is an integer number (1332626400).

Almost surely, 2^13311455242 is an apocalyptic number.

13311455242 is a deficient number, since it is larger than the sum of its proper divisors (8010567158).

13311455242 is a wasteful number, since it uses less digits than its factorization.

13311455242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7403541.

The product of its digits is 14400, while the sum is 31.

Adding to 13311455242 its reverse (24255411331), we get a palindrome (37566866573).

It can be divided in two parts, 133114 and 55242, that added together give a square (188356 = 434²).

The spelling of 13311455242 in words is "thirteen billion, three hundred eleven million, four hundred fifty-five thousand, two hundred forty-two".