149002031 has 2 divisors, whose sum is σ = 149002032. Its totient is φ = 149002030.

The previous prime is 149002001. The next prime is 149002039. The reversal of 149002031 is 130200941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149002031 - 2¹⁴ = 148985647 is a prime.

It is a super-2 number, since 2×149002031² = 44403210484249922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149001994 and 149002012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149002039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74501015 + 74501016.

It is an arithmetic number, because the mean of its divisors is an integer number (74501016).

Almost surely, 2^149002031 is an apocalyptic number.

149002031 is a deficient number, since it is larger than the sum of its proper divisors (1).

149002031 is an equidigital number, since it uses as much as digits as its factorization.

149002031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 149002031 is about 12206.6388084517. The cubic root of 149002031 is about 530.1483280110.

Adding to 149002031 its reverse (130200941), we get a palindrome (279202972).

The spelling of 149002031 in words is "one hundred forty-nine million, two thousand, thirty-one".