342002631 has 8 divisors (see below), whose sum is σ = 456728704. Its totient is φ = 227639160.

The previous prime is 342002629. The next prime is 342002653. The reversal of 342002631 is 136200243.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 342002631 - 2¹ = 342002629 is a prime.

It is a super-2 number, since 2×342002631² = 233931599221844322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342002598 and 342002607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342002611) 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, 88441 + ... + 92226.

It is an arithmetic number, because the mean of its divisors is an integer number (57091088).

Almost surely, 2^342002631 is an apocalyptic number.

342002631 is a deficient number, since it is larger than the sum of its proper divisors (114726073).

342002631 is a wasteful number, since it uses less digits than its factorization.

342002631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181301.

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

The square root of 342002631 is about 18493.3131428633. The cubic root of 342002631 is about 699.3208589966.

Adding to 342002631 its reverse (136200243), we get a palindrome (478202874).

The spelling of 342002631 in words is "three hundred forty-two million, two thousand, six hundred thirty-one".