1011402331340 has 48 divisors (see below), whose sum is σ = 2202282794880. Its totient is φ = 389704170240.

The previous prime is 1011402331319. The next prime is 1011402331349. The reversal of 1011402331340 is 431332041101.

It is not an unprimeable number, because it can be changed into a prime (1011402331349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1772987 + ... + 2272946.

It is an arithmetic number, because the mean of its divisors is an integer number (45880891560).

Almost surely, 2^{1011402331340} is an apocalyptic number.

1011402331340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011402331340 is an abundant number, since it is smaller than the sum of its proper divisors (1190880463540).

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

1011402331340 is a wasteful number, since it uses less digits than its factorization.

1011402331340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046402 (or 4046400 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1011402331340 its reverse (431332041101), we get a palindrome (1442734372441).

The spelling of 1011402331340 in words is "one trillion, eleven billion, four hundred two million, three hundred thirty-one thousand, three hundred forty".