345015250231 has 4 divisors (see below), whose sum is σ = 356144774464. Its totient is φ = 333885726000.

The previous prime is 345015250213. The next prime is 345015250243. The reversal of 345015250231 is 132052510543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132052510543 = 301991 ⋅437273.

It is a cyclic number.

It is not a de Polignac number, because 345015250231 - 2⁷ = 345015250103 is a prime.

It is a super-2 number, since 2×345015250231² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 11129524201 = 345015250231 / (3 + 4 + 5 + 0 + 1 + 5 + 2 + 5 + 0 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345015250193 and 345015250202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345015250031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5564762070 + ... + 5564762131.

It is an arithmetic number, because the mean of its divisors is an integer number (89036193616).

Almost surely, 2^345015250231 is an apocalyptic number.

345015250231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

345015250231 is a deficient number, since it is larger than the sum of its proper divisors (11129524233).

345015250231 is a wasteful number, since it uses less digits than its factorization.

345015250231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11129524232.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 345015250231 its reverse (132052510543), we get a palindrome (477067760774).

The spelling of 345015250231 in words is "three hundred forty-five billion, fifteen million, two hundred fifty thousand, two hundred thirty-one".