151026731 has 2 divisors, whose sum is σ = 151026732. Its totient is φ = 151026730.

The previous prime is 151026721. The next prime is 151026767. The reversal of 151026731 is 137620151.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151026731 is a prime.

It is a super-2 number, since 2×151026731² = 45618146953092722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 151026731.

It is not a weakly prime, because it can be changed into another prime (151026721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75513365 + 75513366.

It is an arithmetic number, because the mean of its divisors is an integer number (75513366).

Almost surely, 2^151026731 is an apocalyptic number.

151026731 is a deficient number, since it is larger than the sum of its proper divisors (1).

151026731 is an equidigital number, since it uses as much as digits as its factorization.

151026731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 151026731 is about 12289.2933482768. The cubic root of 151026731 is about 532.5388229462.

Adding to 151026731 its reverse (137620151), we get a palindrome (288646882).

The spelling of 151026731 in words is "one hundred fifty-one million, twenty-six thousand, seven hundred thirty-one".