1020431301432 has 32 divisors (see below), whose sum is σ = 2551327681680. Its totient is φ = 340110510080.

The previous prime is 1020431301413. The next prime is 1020431301523. The reversal of 1020431301432 is 2341031340201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827369 + ... + 2319512.

Almost surely, 2^{1020431301432} is an apocalyptic number.

1020431301432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020431301432 is an abundant number, since it is smaller than the sum of its proper divisors (1530896380248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020431301432 is a wasteful number, since it uses less digits than its factorization.

1020431301432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4157143 (or 4157139 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1020431301432 its reverse (2341031340201), we get a palindrome (3361462641633).

The spelling of 1020431301432 in words is "one trillion, twenty billion, four hundred thirty-one million, three hundred one thousand, four hundred thirty-two".