1232020431 has 12 divisors (see below), whose sum is σ = 1780080120. Its totient is φ = 821118480.

The previous prime is 1232020423. The next prime is 1232020453. The reversal of 1232020431 is 1340202321.

1232020431 is a `hidden beast` number, since 1 + 232 + 0 + 2 + 0 + 431 = 666.

It is not a de Polignac number, because 1232020431 - 2³ = 1232020423 is a prime.

It is a super-2 number, since 2×1232020431² = 3035748684802851522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232020411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19141 + ... + 53201.

It is an arithmetic number, because the mean of its divisors is an integer number (148340010).

Almost surely, 2^1232020431 is an apocalyptic number.

1232020431 is a deficient number, since it is larger than the sum of its proper divisors (548059689).

1232020431 is a wasteful number, since it uses less digits than its factorization.

1232020431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38086 (or 38083 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1232020431 is about 35100.1485894291. The cubic root of 1232020431 is about 1072.0276081546.

Adding to 1232020431 its reverse (1340202321), we get a palindrome (2572222752).

The spelling of 1232020431 in words is "one billion, two hundred thirty-two million, twenty thousand, four hundred thirty-one".