151123402331 has 8 divisors (see below), whose sum is σ = 165217972224. Its totient is φ = 137088178920.

The previous prime is 151123402327. The next prime is 151123402357. The reversal of 151123402331 is 133204321151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 151123402331 - 2² = 151123402327 is a prime.

It is a super-2 number, since 2×151123402331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151123402331.

It is not an unprimeable number, because it can be changed into a prime (151123302331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14831291 + ... + 14841476.

It is an arithmetic number, because the mean of its divisors is an integer number (20652246528).

Almost surely, 2^151123402331 is an apocalyptic number.

151123402331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

151123402331 is a deficient number, since it is larger than the sum of its proper divisors (14094569893).

151123402331 is a wasteful number, since it uses less digits than its factorization.

151123402331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29673241.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 151123402331 its reverse (133204321151), we get a palindrome (284327723482).

The spelling of 151123402331 in words is "one hundred fifty-one billion, one hundred twenty-three million, four hundred two thousand, three hundred thirty-one".