345451131 has 6 divisors (see below), whose sum is σ = 498984980. Its totient is φ = 230300748.

The previous prime is 345451109. The next prime is 345451147. The reversal of 345451131 is 131154543.

It is a happy number.

345451131 is a `hidden beast` number, since 3 + 4 + 545 + 113 + 1 = 666.

It is not a de Polignac number, because 345451131 - 2⁹ = 345450619 is a prime.

It is a super-2 number, since 2×345451131² = 238672967818358322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345451095 and 345451104.

It is not an unprimeable number, because it can be changed into a prime (345451151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19191721 + ... + 19191738.

Almost surely, 2^345451131 is an apocalyptic number.

345451131 is a deficient number, since it is larger than the sum of its proper divisors (153533849).

345451131 is a wasteful number, since it uses less digits than its factorization.

345451131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38383465 (or 38383462 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 345451131 is about 18586.3156919278. The cubic root of 345451131 is about 701.6634798300.

The spelling of 345451131 in words is "three hundred forty-five million, four hundred fifty-one thousand, one hundred thirty-one".