231515445453214 has 32 divisors (see below), whose sum is σ = 393755740277760. Its totient is φ = 101207375013600.

The previous prime is 231515445453211. The next prime is 231515445453223. The reversal of 231515445453214 is 412354544515132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231515445453211) 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, 48772642 + ... + 53308549.

It is an arithmetic number, because the mean of its divisors is an integer number (12304866883680).

Almost surely, 2^{231515445453214} is an apocalyptic number.

231515445453214 is a deficient number, since it is larger than the sum of its proper divisors (162240294824546).

231515445453214 is a wasteful number, since it uses less digits than its factorization.

231515445453214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102085816.

The product of its digits is 5760000, while the sum is 49.

Adding to 231515445453214 its reverse (412354544515132), we get a palindrome (643869989968346).

The spelling of 231515445453214 in words is "two hundred thirty-one trillion, five hundred fifteen billion, four hundred forty-five million, four hundred fifty-three thousand, two hundred fourteen".