434213031 has 32 divisors (see below), whose sum is σ = 707857920. Its totient is φ = 231100416.

The previous prime is 434213029. The next prime is 434213051. The reversal of 434213031 is 130312434.

434213031 = T₁₈ + T₁₉ + ... + T₁₃₇₅.

It is not a de Polignac number, because 434213031 - 2¹ = 434213029 is a prime.

It is a super-2 number, since 2×434213031² = 377081912580413922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 434212989 and 434213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434213051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28360 + ... + 40898.

It is an arithmetic number, because the mean of its divisors is an integer number (22120560).

Almost surely, 2^434213031 is an apocalyptic number.

434213031 is a deficient number, since it is larger than the sum of its proper divisors (273644889).

434213031 is a wasteful number, since it uses less digits than its factorization.

434213031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12663.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 434213031 is about 20837.7789363454. The cubic root of 434213031 is about 757.2412858068.

Adding to 434213031 its reverse (130312434), we get a palindrome (564525465).

The spelling of 434213031 in words is "four hundred thirty-four million, two hundred thirteen thousand, thirty-one".