340463112531 has 16 divisors (see below), whose sum is σ = 460992528384. Its totient is φ = 223458469344.

The previous prime is 340463112523. The next prime is 340463112547. The reversal of 340463112531 is 135211364043.

It is not a de Polignac number, because 340463112531 - 2³ = 340463112523 is a prime.

It is a super-2 number, since 2×340463112531² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340463112492 and 340463112501.

It is not an unprimeable number, because it can be changed into a prime (340463112571) 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, 140371 + ... + 837036.

It is an arithmetic number, because the mean of its divisors is an integer number (28812033024).

Almost surely, 2^340463112531 is an apocalyptic number.

340463112531 is a deficient number, since it is larger than the sum of its proper divisors (120529415853).

340463112531 is a wasteful number, since it uses less digits than its factorization.

340463112531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979210.

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 340463112531 its reverse (135211364043), we get a palindrome (475674476574).

The spelling of 340463112531 in words is "three hundred forty billion, four hundred sixty-three million, one hundred twelve thousand, five hundred thirty-one".