2345401531 has 16 divisors (see below), whose sum is σ = 2605259520. Its totient is φ = 2093525280.

The previous prime is 2345401529. The next prime is 2345401537. The reversal of 2345401531 is 1351045432.

It is not a de Polignac number, because 2345401531 - 2¹ = 2345401529 is a prime.

It is a super-2 number, since 2×2345401531² = 11001816683234287922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2345401531.

It is not an unprimeable number, because it can be changed into a prime (2345401537) 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, 228610 + ... + 238648.

It is an arithmetic number, because the mean of its divisors is an integer number (162828720).

Almost surely, 2^2345401531 is an apocalyptic number.

2345401531 is a deficient number, since it is larger than the sum of its proper divisors (259857989).

2345401531 is a wasteful number, since it uses less digits than its factorization.

2345401531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10434.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2345401531 is about 48429.3457626675. The cubic root of 2345401531 is about 1328.6351406348.

Adding to 2345401531 its reverse (1351045432), we get a palindrome (3696446963).

The spelling of 2345401531 in words is "two billion, three hundred forty-five million, four hundred one thousand, five hundred thirty-one".