11402003420031 has 32 divisors (see below), whose sum is σ = 17847827020800. Its totient is φ = 6338811237120.

The previous prime is 11402003420011. The next prime is 11402003420081. The reversal of 11402003420031 is 13002430020411.

It is not a de Polignac number, because 11402003420031 - 2⁵ = 11402003419999 is a prime.

It is a super-2 number, since 2×11402003420031² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402003420011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18134836 + ... + 18753033.

It is an arithmetic number, because the mean of its divisors is an integer number (557744594400).

Almost surely, 2^{11402003420031} is an apocalyptic number.

11402003420031 is a deficient number, since it is larger than the sum of its proper divisors (6445823600769).

11402003420031 is a wasteful number, since it uses less digits than its factorization.

11402003420031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36888279.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11402003420031 its reverse (13002430020411), we get a palindrome (24404433440442).

The spelling of 11402003420031 in words is "eleven trillion, four hundred two billion, three million, four hundred twenty thousand, thirty-one".