1403100311020 has 48 divisors (see below), whose sum is σ = 2993334690528. Its totient is φ = 552385198080.

The previous prime is 1403100311009. The next prime is 1403100311047. The reversal of 1403100311020 is 201130013041.

It is a junction number, because it is equal to n+sod(n) for n = 1403100310985 and 1403100311003.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646782 + ... + 2349061.

It is an arithmetic number, because the mean of its divisors is an integer number (62361139386).

Almost surely, 2^{1403100311020} is an apocalyptic number.

1403100311020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403100311020 is an abundant number, since it is smaller than the sum of its proper divisors (1590234379508).

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

1403100311020 is a wasteful number, since it uses less digits than its factorization.

1403100311020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996130 (or 3996128 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1403100311020 its reverse (201130013041), we get a palindrome (1604230324061).

The spelling of 1403100311020 in words is "one trillion, four hundred three billion, one hundred million, three hundred eleven thousand, twenty".