1403031113011 has 4 divisors (see below), whose sum is σ = 1530579396024. Its totient is φ = 1275482830000.

The previous prime is 1403031112969. The next prime is 1403031113039. The reversal of 1403031113011 is 1103111303041.

It is a happy number.

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 1403031113011 - 2¹¹ = 1403031110963 is a prime.

It is a super-2 number, since 2×1403031113011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1403031113011.

It is not an unprimeable number, because it can be changed into a prime (1403031113041) 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, 63774141490 + ... + 63774141511.

It is an arithmetic number, because the mean of its divisors is an integer number (382644849006).

Almost surely, 2^{1403031113011} is an apocalyptic number.

1403031113011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1403031113011 is a deficient number, since it is larger than the sum of its proper divisors (127548283013).

1403031113011 is a wasteful number, since it uses less digits than its factorization.

1403031113011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127548283012.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1403031113011 its reverse (1103111303041), we get a palindrome (2506142416052).

The spelling of 1403031113011 in words is "one trillion, four hundred three billion, thirty-one million, one hundred thirteen thousand, eleven".