100340503431 has 32 divisors (see below), whose sum is σ = 154616985600. Its totient is φ = 56694988800.

The previous prime is 100340503421. The next prime is 100340503433. The reversal of 100340503431 is 134305043001.

It is a happy number.

It is not a de Polignac number, because 100340503431 - 2¹¹ = 100340501383 is a prime.

It is a super-2 number, since 2×100340503431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100340503433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1600290 + ... + 1661808.

It is an arithmetic number, because the mean of its divisors is an integer number (4831780800).

Almost surely, 2^100340503431 is an apocalyptic number.

100340503431 is a deficient number, since it is larger than the sum of its proper divisors (54276482169).

100340503431 is a wasteful number, since it uses less digits than its factorization.

100340503431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62399.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 100340503431 its reverse (134305043001), we get a palindrome (234645546432).

The spelling of 100340503431 in words is "one hundred billion, three hundred forty million, five hundred three thousand, four hundred thirty-one".