2100334345431 has 16 divisors (see below), whose sum is σ = 3388774742784. Its totient is φ = 1129591580544.

The previous prime is 2100334345429. The next prime is 2100334345457. The reversal of 2100334345431 is 1345434330012.

It is not a de Polignac number, because 2100334345431 - 2¹ = 2100334345429 is a prime.

It is a super-2 number, since 2×2100334345431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100334345392 and 2100334345401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100334345531) 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, 2941644385 + ... + 2941645098.

It is an arithmetic number, because the mean of its divisors is an integer number (211798421424).

Almost surely, 2^{2100334345431} is an apocalyptic number.

2100334345431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2100334345431 is a deficient number, since it is larger than the sum of its proper divisors (1288440397353).

2100334345431 is a wasteful number, since it uses less digits than its factorization.

2100334345431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5883289510.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 2100334345431 its reverse (1345434330012), we get a palindrome (3445768675443).

The spelling of 2100334345431 in words is "two trillion, one hundred billion, three hundred thirty-four million, three hundred forty-five thousand, four hundred thirty-one".