23415343131 has 16 divisors (see below), whose sum is σ = 33192550656. Its totient is φ = 14649794016.

The previous prime is 23415343129. The next prime is 23415343151. The reversal of 23415343131 is 13134351432.

It is a happy number.

It is not a de Polignac number, because 23415343131 - 2¹ = 23415343129 is a prime.

It is a super-2 number, since 2×23415343131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23415343151) 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, 3197785 + ... + 3205098.

It is an arithmetic number, because the mean of its divisors is an integer number (2074534416).

Almost surely, 2^23415343131 is an apocalyptic number.

23415343131 is a deficient number, since it is larger than the sum of its proper divisors (9777207525).

23415343131 is a wasteful number, since it uses less digits than its factorization.

23415343131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6402962.

The product of its digits is 12960, while the sum is 30.

Adding to 23415343131 its reverse (13134351432), we get a palindrome (36549694563).

The spelling of 23415343131 in words is "twenty-three billion, four hundred fifteen million, three hundred forty-three thousand, one hundred thirty-one".