3456421031 has 16 divisors (see below), whose sum is σ = 4059055104. Its totient is φ = 2881777824.

The previous prime is 3456421021. The next prime is 3456421037. The reversal of 3456421031 is 1301246543.

It is a cyclic number.

It is not a de Polignac number, because 3456421031 - 2²⁶ = 3389312167 is a prime.

It is a super-2 number, since 2×3456421031² = 23893692687078205922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3456420985 and 3456421003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3456421037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21401 + ... + 85853.

It is an arithmetic number, because the mean of its divisors is an integer number (253690944).

Almost surely, 2^3456421031 is an apocalyptic number.

3456421031 is a deficient number, since it is larger than the sum of its proper divisors (602634073).

3456421031 is a wasteful number, since it uses less digits than its factorization.

3456421031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64670.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 3456421031 is about 58791.3346591145. The cubic root of 3456421031 is about 1511.9666538877.

Adding to 3456421031 its reverse (1301246543), we get a palindrome (4757667574).

The spelling of 3456421031 in words is "three billion, four hundred fifty-six million, four hundred twenty-one thousand, thirty-one".