34402031 has 4 divisors (see below), whose sum is σ = 34427472. Its totient is φ = 34376592.

The previous prime is 34402013. The next prime is 34402037. The reversal of 34402031 is 13020443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13020443 = 43 ⋅302801.

It is a cyclic number.

It is not a de Polignac number, because 34402031 - 2⁶ = 34401967 is a prime.

It is a super-2 number, since 2×34402031² = 2366999473849922, 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 (34402037) 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, 10571 + ... + 13436.

It is an arithmetic number, because the mean of its divisors is an integer number (8606868).

Almost surely, 2^34402031 is an apocalyptic number.

34402031 is a deficient number, since it is larger than the sum of its proper divisors (25441).

34402031 is a wasteful number, since it uses less digits than its factorization.

34402031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25440.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 34402031 is about 5865.3244582035. The cubic root of 34402031 is about 325.2330667463.

Adding to 34402031 its reverse (13020443), we get a palindrome (47422474).

The spelling of 34402031 in words is "thirty-four million, four hundred two thousand, thirty-one".