2034640431 has 8 divisors (see below), whose sum is σ = 3014282160. Its totient is φ = 1356426936.

The previous prime is 2034640409. The next prime is 2034640459. The reversal of 2034640431 is 1340464302.

It is not a de Polignac number, because 2034640431 - 2¹¹ = 2034638383 is a prime.

It is a super-2 number, since 2×2034640431² = 8279523366919731522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 75357053 = 2034640431 / (2 + 0 + 3 + 4 + 6 + 4 + 0 + 4 + 3 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 2034640395 and 2034640404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2034640831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37678500 + ... + 37678553.

It is an arithmetic number, because the mean of its divisors is an integer number (376785270).

Almost surely, 2^2034640431 is an apocalyptic number.

2034640431 is a deficient number, since it is larger than the sum of its proper divisors (979641729).

2034640431 is an equidigital number, since it uses as much as digits as its factorization.

2034640431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75357062 (or 75357056 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2034640431 is about 45106.9887157190. The cubic root of 2034640431 is about 1267.1534881362.

The spelling of 2034640431 in words is "two billion, thirty-four million, six hundred forty thousand, four hundred thirty-one".