3133450997 has 4 divisors (see below), whose sum is σ = 3134819820. Its totient is φ = 3132082176.

The previous prime is 3133450973. The next prime is 3133451021. The reversal of 3133450997 is 7990543313.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (3133450973) and next prime (3133451021).

It can be written as a sum of positive squares in 2 ways, for example, as 411846436 + 2721604561 = 20294^2 + 52169^2 .

It is a cyclic number.

It is not a de Polignac number, because 3133450997 - 2⁶ = 3133450933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133450907) 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, 680972 + ... + 685557.

It is an arithmetic number, because the mean of its divisors is an integer number (783704955).

Almost surely, 2^3133450997 is an apocalyptic number.

It is an amenable number.

3133450997 is a deficient number, since it is larger than the sum of its proper divisors (1368823).

3133450997 is a wasteful number, since it uses less digits than its factorization.

3133450997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368822.

The product of its (nonzero) digits is 306180, while the sum is 44.

The square root of 3133450997 is about 55977.2364180298. The cubic root of 3133450997 is about 1463.3255956763.

The spelling of 3133450997 in words is "three billion, one hundred thirty-three million, four hundred fifty thousand, nine hundred ninety-seven".