152100031 has 4 divisors (see below), whose sum is σ = 152146864. Its totient is φ = 152053200.

The previous prime is 152099993. The next prime is 152100077. The reversal of 152100031 is 130001251.

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

It is a cyclic number.

It is not a de Polignac number, because 152100031 - 2⁷ = 152099903 is a prime.

It is a super-2 number, since 2×152100031² = 46268838860401922, 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 = 152099984 and 152100020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152100731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18150 + ... + 25171.

It is an arithmetic number, because the mean of its divisors is an integer number (38036716).

Almost surely, 2^152100031 is an apocalyptic number.

152100031 is a deficient number, since it is larger than the sum of its proper divisors (46833).

152100031 is an equidigital number, since it uses as much as digits as its factorization.

152100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46832.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 152100031 is about 12332.8841314593. The cubic root of 152100031 is about 533.7973755132.

Adding to 152100031 its reverse (130001251), we get a palindrome (282101282).

The spelling of 152100031 in words is "one hundred fifty-two million, one hundred thousand, thirty-one".