131002342 has 16 divisors (see below), whose sum is σ = 211663872. Its totient is φ = 60631560.

The previous prime is 131002279. The next prime is 131002343. The reversal of 131002342 is 243200131.

It is a happy number.

It is a super-2 number, since 2×131002342² = 34323227218969928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131002343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44508 + ... + 47359.

It is an arithmetic number, because the mean of its divisors is an integer number (13228992).

Almost surely, 2^131002342 is an apocalyptic number.

131002342 is a deficient number, since it is larger than the sum of its proper divisors (80661530).

131002342 is a wasteful number, since it uses less digits than its factorization.

131002342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91923.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 131002342 is about 11445.6254525474. The cubic root of 131002342 is about 507.8783343702.

Adding to 131002342 its reverse (243200131), we get a palindrome (374202473).

The spelling of 131002342 in words is "one hundred thirty-one million, two thousand, three hundred forty-two".