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31030250420002 = 2971187134751259
BaseRepresentation
bin1110000111000110010110…
…00011011011011100100010
311001212110111111121202000011
413003203023003123130202
513031344423101420002
6145555033353115134
76351601350435451
oct703431303333442
9131773444552004
1031030250420002
119983945450259
123591a540b8aaa
1314411a892b7a2
14793c2d1c6b98
1538c27c1328d7
hex1c38cb0db722

31030250420002 has 16 divisors (see below), whose sum is σ = 47064842082720. Its totient is φ = 15342239230848.

The previous prime is 31030250419999. The next prime is 31030250420027. The reversal of 31030250420002 is 20002405203013.

It is a super-2 number, since 2×310302504200022 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67145352 + ... + 67605907.

It is an arithmetic number, because the mean of its divisors is an integer number (2941552630170).

Almost surely, 231030250420002 is an apocalyptic number.

31030250420002 is a deficient number, since it is larger than the sum of its proper divisors (16034591662718).

31030250420002 is a wasteful number, since it uses less digits than its factorization.

31030250420002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134752545.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 31030250420002 its reverse (20002405203013), we get a palindrome (51032655623015).

The spelling of 31030250420002 in words is "thirty-one trillion, thirty billion, two hundred fifty million, four hundred twenty thousand, two".

Divisors: 1 2 97 194 1187 2374 115139 230278 134751259 269502518 13070872123 26141744246 159949744433 319899488866 15515125210001 31030250420002