1301000431020 has 96 divisors (see below), whose sum is σ = 3661266389760. Its totient is φ = 345175944960.

The previous prime is 1301000430949. The next prime is 1301000431051. The reversal of 1301000431020 is 201340001031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42889579 + ... + 42919901.

It is an arithmetic number, because the mean of its divisors is an integer number (38138191560).

Almost surely, 2^{1301000431020} is an apocalyptic number.

1301000431020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301000431020 is an abundant number, since it is smaller than the sum of its proper divisors (2360265958740).

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

1301000431020 is a wasteful number, since it uses less digits than its factorization.

1301000431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33935 (or 33933 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1301000431020 its reverse (201340001031), we get a palindrome (1502340432051).

The spelling of 1301000431020 in words is "one trillion, three hundred one billion, four hundred thirty-one thousand, twenty".