30642431602451 has 8 divisors (see below), whose sum is σ = 30655348107264. Its totient is φ = 30629515943880.

The previous prime is 30642431602429. The next prime is 30642431602463. The reversal of 30642431602451 is 15420613424603.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30642431602451 is a prime.

It is a super-2 number, since 2×30642431602451² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30642431602399 and 30642431602408.

It is not an unprimeable number, because it can be changed into a prime (30642431602411) 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, 78330326 + ... + 78720548.

It is an arithmetic number, because the mean of its divisors is an integer number (3831918513408).

Almost surely, 2^{30642431602451} is an apocalyptic number.

30642431602451 is a deficient number, since it is larger than the sum of its proper divisors (12916504813).

30642431602451 is a wasteful number, since it uses less digits than its factorization.

30642431602451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423121.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 30642431602451 in words is "thirty trillion, six hundred forty-two billion, four hundred thirty-one million, six hundred two thousand, four hundred fifty-one".