151347731 has 2 divisors, whose sum is σ = 151347732. Its totient is φ = 151347730.

The previous prime is 151347727. The next prime is 151347733. The reversal of 151347731 is 137743151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151347731 - 2² = 151347727 is a prime.

It is a super-2 number, since 2×151347731² = 45812271357696722, which contains 22 as substring.

Together with 151347733, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151347733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75673865 + 75673866.

It is an arithmetic number, because the mean of its divisors is an integer number (75673866).

Almost surely, 2^151347731 is an apocalyptic number.

151347731 is a deficient number, since it is larger than the sum of its proper divisors (1).

151347731 is an equidigital number, since it uses as much as digits as its factorization.

151347731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 32.

The square root of 151347731 is about 12302.3465647819. The cubic root of 151347731 is about 532.9158511101.

The spelling of 151347731 in words is "one hundred fifty-one million, three hundred forty-seven thousand, seven hundred thirty-one".