30712463102 has 4 divisors (see below), whose sum is σ = 46068694656. Its totient is φ = 15356231550.

The previous prime is 30712463101. The next prime is 30712463237. The reversal of 30712463102 is 20136421703.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×30712463102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30712463101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7678115774 + ... + 7678115777.

It is an arithmetic number, because the mean of its divisors is an integer number (11517173664).

Almost surely, 2^30712463102 is an apocalyptic number.

30712463102 is a deficient number, since it is larger than the sum of its proper divisors (15356231554).

30712463102 is a wasteful number, since it uses less digits than its factorization.

30712463102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15356231553.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 30712463102 its reverse (20136421703), we get a palindrome (50848884805).

The spelling of 30712463102 in words is "thirty billion, seven hundred twelve million, four hundred sixty-three thousand, one hundred two".