101402331240 has 128 divisors (see below), whose sum is σ = 349467068160. Its totient is φ = 23057547264.

The previous prime is 101402331229. The next prime is 101402331241. The reversal of 101402331240 is 42133204101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (101402331241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150619 + ... + 474858.

It is an arithmetic number, because the mean of its divisors is an integer number (2730211470).

Almost surely, 2^101402331240 is an apocalyptic number.

101402331240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101402331240 is an abundant number, since it is smaller than the sum of its proper divisors (248064736920).

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

101402331240 is a wasteful number, since it uses less digits than its factorization.

101402331240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625691 (or 625687 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 101402331240 its reverse (42133204101), we get a palindrome (143535535341).

The spelling of 101402331240 in words is "one hundred one billion, four hundred two million, three hundred thirty-one thousand, two hundred forty".