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151534031 = 1113775821
BaseRepresentation
bin10010000100000…
…11100111001111
3101120010201121112
421002003213033
5302243042111
623011522235
73520006115
oct1102034717
9346121545
10151534031
117859a840
12428b937b
132551820c
14161a7ab5
15d483e8b
hex90839cf

151534031 has 4 divisors (see below), whose sum is σ = 165309864. Its totient is φ = 137758200.

The previous prime is 151534003. The next prime is 151534067. The reversal of 151534031 is 130435151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-151534031 is a prime.

It is a super-2 number, since 2×1515340312 = 45925125102217922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151533988 and 151534006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151534001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6887900 + ... + 6887921.

It is an arithmetic number, because the mean of its divisors is an integer number (41327466).

Almost surely, 2151534031 is an apocalyptic number.

151534031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151534031 is a deficient number, since it is larger than the sum of its proper divisors (13775833).

151534031 is a wasteful number, since it uses less digits than its factorization.

151534031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13775832.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 151534031 is about 12309.9159623452. The cubic root of 151534031 is about 533.1344239586.

Adding to 151534031 its reverse (130435151), we get a palindrome (281969182).

The spelling of 151534031 in words is "one hundred fifty-one million, five hundred thirty-four thousand, thirty-one".

Divisors: 1 11 13775821 151534031