2348686431 has 48 divisors (see below), whose sum is σ = 4181538816. Its totient is φ = 1237059648.

The previous prime is 2348686429. The next prime is 2348686433. The reversal of 2348686431 is 1346868432.

It is an interprime number because it is at equal distance from previous prime (2348686429) and next prime (2348686433).

It is not a de Polignac number, because 2348686431 - 2¹ = 2348686429 is a prime.

It is a super-2 number, since 2×2348686431² = 11032655902327035522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2348686433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 705136 + ... + 708458.

It is an arithmetic number, because the mean of its divisors is an integer number (87115392).

Almost surely, 2^2348686431 is an apocalyptic number.

2348686431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2348686431 is a deficient number, since it is larger than the sum of its proper divisors (1832852385).

2348686431 is a wasteful number, since it uses less digits than its factorization.

2348686431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4212 (or 4209 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 2348686431 is about 48463.2482506074. The cubic root of 2348686431 is about 1329.2551336344.

The spelling of 2348686431 in words is "two billion, three hundred forty-eight million, six hundred eighty-six thousand, four hundred thirty-one".