131402030340 has 48 divisors (see below), whose sum is σ = 420486498432. Its totient is φ = 30034749696.

The previous prime is 131402030257. The next prime is 131402030443. The reversal of 131402030340 is 43030204131.

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

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, 156430569 + ... + 156431408.

It is an arithmetic number, because the mean of its divisors is an integer number (8760135384).

Almost surely, 2^131402030340 is an apocalyptic number.

131402030340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131402030340 is an abundant number, since it is smaller than the sum of its proper divisors (289084468092).

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

131402030340 is a wasteful number, since it uses less digits than its factorization.

131402030340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312861996 (or 312861994 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 131402030340 its reverse (43030204131), we get a palindrome (174432234471).

The spelling of 131402030340 in words is "one hundred thirty-one billion, four hundred two million, thirty thousand, three hundred forty".