151513031 has 2 divisors, whose sum is σ = 151513032. Its totient is φ = 151513030.

The previous prime is 151512989. The next prime is 151513067. The reversal of 151513031 is 130315151.

It is a strong prime.

It is an emirp because it is prime and its reverse (130315151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151513031 - 2⁶ = 151512967 is a prime.

It is a super-2 number, since 2×151513031² = 45912397125613922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151512994 and 151513012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151513091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75756515 + 75756516.

It is an arithmetic number, because the mean of its divisors is an integer number (75756516).

Almost surely, 2^151513031 is an apocalyptic number.

151513031 is a deficient number, since it is larger than the sum of its proper divisors (1).

151513031 is an equidigital number, since it uses as much as digits as its factorization.

151513031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225, while the sum is 20.

The square root of 151513031 is about 12309.0629618993. The cubic root of 151513031 is about 533.1097950792.

Adding to 151513031 its reverse (130315151), we get a palindrome (281828182).

The spelling of 151513031 in words is "one hundred fifty-one million, five hundred thirteen thousand, thirty-one".