31400224421403 has 16 divisors (see below), whose sum is σ = 42367603525632. Its totient is φ = 20684008380000.

The previous prime is 31400224421387. The next prime is 31400224421437. The reversal of 31400224421403 is 30412442200413.

It is not a de Polignac number, because 31400224421403 - 2⁴ = 31400224421387 is a prime.

It is a super-2 number, since 2×31400224421403² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31400224421483) 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, 105381883 + ... + 105679428.

It is an arithmetic number, because the mean of its divisors is an integer number (2647975220352).

Almost surely, 2^{31400224421403} is an apocalyptic number.

31400224421403 is a deficient number, since it is larger than the sum of its proper divisors (10967379104229).

31400224421403 is a wasteful number, since it uses less digits than its factorization.

31400224421403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211061906.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 31400224421403 its reverse (30412442200413), we get a palindrome (61812666621816).

The spelling of 31400224421403 in words is "thirty-one trillion, four hundred billion, two hundred twenty-four million, four hundred twenty-one thousand, four hundred three".