2106431294 has 16 divisors (see below), whose sum is σ = 3448051200. Its totient is φ = 957145560.

The previous prime is 2106431281. The next prime is 2106431317. The reversal of 2106431294 is 4921346012.

It is a self number, because there is not a number n which added to its sum of digits gives 2106431294.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58067 + ... + 87089.

It is an arithmetic number, because the mean of its divisors is an integer number (215503200).

Almost surely, 2^2106431294 is an apocalyptic number.

2106431294 is a deficient number, since it is larger than the sum of its proper divisors (1341619906).

2106431294 is a wasteful number, since it uses less digits than its factorization.

2106431294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32335.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2106431294 is about 45895.8744769070. The cubic root of 2106431294 is about 1281.8850995840.

The spelling of 2106431294 in words is "two billion, one hundred six million, four hundred thirty-one thousand, two hundred ninety-four".