151231510231 has 2 divisors, whose sum is σ = 151231510232. Its totient is φ = 151231510230.

The previous prime is 151231510217. The next prime is 151231510253. The reversal of 151231510231 is 132015132151.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151231510231 is a prime.

It is a super-2 number, since 2×151231510231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151231510196 and 151231510205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151231510201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75615755115 + 75615755116.

It is an arithmetic number, because the mean of its divisors is an integer number (75615755116).

Almost surely, 2^151231510231 is an apocalyptic number.

151231510231 is a deficient number, since it is larger than the sum of its proper divisors (1).

151231510231 is an equidigital number, since it uses as much as digits as its factorization.

151231510231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 151231510231 its reverse (132015132151), we get a palindrome (283246642382).

The spelling of 151231510231 in words is "one hundred fifty-one billion, two hundred thirty-one million, five hundred ten thousand, two hundred thirty-one".