149107031 has 4 divisors (see below), whose sum is σ = 149687472. Its totient is φ = 148526592.

The previous prime is 149107027. The next prime is 149107033. The reversal of 149107031 is 130701941.

149107031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130701941 = 877 ⋅149033.

It is a cyclic number.

It is not a de Polignac number, because 149107031 - 2² = 149107027 is a prime.

It is a super-2 number, since 2×149107031² = 44465813387269922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149107033) 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, 289835 + ... + 290348.

It is an arithmetic number, because the mean of its divisors is an integer number (37421868).

Almost surely, 2^149107031 is an apocalyptic number.

149107031 is a deficient number, since it is larger than the sum of its proper divisors (580441).

149107031 is an equidigital number, since it uses as much as digits as its factorization.

149107031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580440.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 149107031 is about 12210.9389892833. The cubic root of 149107031 is about 530.2728285598.

Adding to 149107031 its reverse (130701941), we get a palindrome (279808972).

The spelling of 149107031 in words is "one hundred forty-nine million, one hundred seven thousand, thirty-one".