2331029421 has 60 divisors (see below), whose sum is σ = 4264001280. Its totient is φ = 1261869840.

The previous prime is 2331029401. The next prime is 2331029429. The reversal of 2331029421 is 1249201332.

It is a happy number.

2331029421 is a `hidden beast` number, since 233 + 1 + 0 + 2 + 9 + 421 = 666.

It is not a de Polignac number, because 2331029421 - 2²⁵ = 2297474989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331029429) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 59956 + ... + 90866.

It is an arithmetic number, because the mean of its divisors is an integer number (71066688).

Almost surely, 2^2331029421 is an apocalyptic number.

2331029421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2331029421 is a deficient number, since it is larger than the sum of its proper divisors (1932971859).

2331029421 is a wasteful number, since it uses less digits than its factorization.

2331029421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30956 (or 30940 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2331029421 is about 48280.7355059966. The cubic root of 2331029421 is about 1325.9157160654.

The spelling of 2331029421 in words is "two billion, three hundred thirty-one million, twenty-nine thousand, four hundred twenty-one".