31400144034203 has 16 divisors (see below), whose sum is σ = 37540457333760. Its totient is φ = 25679370521376.

The previous prime is 31400144034199. The next prime is 31400144034209. The reversal of 31400144034203 is 30243044100413.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31400144034203 - 2² = 31400144034199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31400144034209) 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, 245568263 + ... + 245696096.

It is an arithmetic number, because the mean of its divisors is an integer number (2346278583360).

Almost surely, 2^{31400144034203} is an apocalyptic number.

31400144034203 is a deficient number, since it is larger than the sum of its proper divisors (6140313299557).

31400144034203 is a wasteful number, since it uses less digits than its factorization.

31400144034203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491264786.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 31400144034203 its reverse (30243044100413), we get a palindrome (61643188134616).

The spelling of 31400144034203 in words is "thirty-one trillion, four hundred billion, one hundred forty-four million, thirty-four thousand, two hundred three".